diff --git a/.gitignore b/.gitignore
index 33858b136..4e98459ee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,8 +2,8 @@
 Thumbs.db
 npm-debug.log
 node_modules
-
-build/
+dist/
+lib/
 examples/playground/static/js/app.js
 examples/playground/static/uppy/
 
diff --git a/bin/build-css b/bin/build-css
new file mode 100755
index 000000000..76368a4f4
--- /dev/null
+++ b/bin/build-css
@@ -0,0 +1 @@
+node_modules/.bin/node-sass src/scss/index.scss -o dist/uppy.css
diff --git a/bin/build-umd b/bin/build-umd
new file mode 100755
index 000000000..0fa656a72
--- /dev/null
+++ b/bin/build-umd
@@ -0,0 +1,11 @@
+SRC="src/index.js"
+OUT="uppy.js"
+
+OUTDIR="dist"
+TRANSFORMS="[ babelify ]"
+FLAGS="-t [ babelify ] --standalone Uppy"
+
+rm -rf $OUTDIR
+mkdir $OUTDIR
+
+browserify $SRC $FLAGS > $OUTDIR/$OUT
diff --git a/bin/builder b/bin/builder
deleted file mode 100755
index c9406138a..000000000
--- a/bin/builder
+++ /dev/null
@@ -1,61 +0,0 @@
-#!/bin/bash
-
-# Setup
-#######################################################
-transformations="[ babelify ]"
-toolpath="${1:-node_modules/.bin/browserify}"
-toolname="$(basename "${toolpath}")"
-
-if [ "${toolname}" = "node-sass" ]; then
-  srcExtension="scss"
-  dstExtension="css"
-else
-  srcExtension="js"
-  dstExtension="js"
-fi
-
-if [ "${toolname}" = "watchify" ]; then
-  extraArgs="-t ${transformations} --ignore-watch=**/build/** --verbose"
-elif [ "${toolname}" = "browserify" ]; then
-  extraArgs="-t ${transformations} --ignore-watch=**/build/** --verbose"
-else
-  extraArgs=""
-fi
-
-
-bundleTarget="build/uppy.${dstExtension}"
-
-# Individual files, built seperately
-#######################################################
-allSourceFiles=""
-for src in $(find src -name "*.${srcExtension}" -type f); do
-  allSourceFiles="${allSourceFiles} ${src}"
-  dst="build/$(basename $(dirname ${src}))/$(basename ${src})"
-  echo "--> ${src} -> ${dst}"
-
-  # Argument should be `browserify`, or `node-sass`
-  if [ "${toolname}" = "node-sass" ]; then
-    "${toolpath}" "${src}" "${dst}" ${extraArgs}
-  else
-    "${toolpath}" "${src}" -o "${dst}" ${extraArgs}
-  fi
-done
-
-# All files in one bundle
-#######################################################
-echo "--> *.${srcExtension} -> ${bundleTarget}"
-if [ "${toolname}" = "node-sass" ]; then
-  "${toolpath}" ${allSourceFiles} "${bundleTarget}" ${extraArgs}
-else
-  "${toolpath}" ${allSourceFiles} -o "${bundleTarget}" ${extraArgs}
-fi
-
-# Install into examples
-for path in $(find examples -maxdepth 1 -mindepth 1 -type d); do
-  exampleProject="$(basename "${path}")"
-  rsync \
-    -ai \
-    --exclude='.DS_Store' \
-    --exclude='.empty' \
-  build/ "examples/${exampleProject}/static/uppy"
-done
diff --git a/build/App.js b/build/App.js
new file mode 100644
index 000000000..2cf63fcb4
--- /dev/null
+++ b/build/App.js
@@ -0,0 +1,10 @@
+import Transloadit from './core/Transloadit';
+
+const transloadit = new Transloadit({wait: false});
+const files = transloadit
+  .use(DragDrop, {modal: true})
+  .use(Tus10, {endpoint: 'http://master.tus.io:8080'})
+  .run();
+
+console.log('--> Finished transloadit. Final result: ');
+console.dir(files);
diff --git a/build/core/.empty b/build/core/.empty
deleted file mode 100644
index e69de29bb..000000000
diff --git a/build/core/Transloadit.js b/build/core/Transloadit.js
new file mode 100644
index 000000000..fd525ffbb
--- /dev/null
+++ b/build/core/Transloadit.js
@@ -0,0 +1,74 @@
+(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
+
+var Transloadit = (function () {
+  function Transloadit(opts) {
+    _classCallCheck(this, Transloadit);
+
+    // Dictates in what order different plugin types are ran:
+    this.types = ['presetter', 'selecter', 'uploader'];
+
+    // Container for different types of plugins
+    this.plugins = {};
+  }
+
+  _createClass(Transloadit, [{
+    key: 'use',
+    value: function use(Plugin, opts) {
+      // Instantiate
+      var plugin = new Plugin(this, opts);
+
+      // Save in plugin container
+      if (!this.plugins[plugin.type]) {
+        this.plugins[plugin.type] = [];
+      }
+      this.plugins[plugin.type].push(plugin);
+
+      return this;
+    }
+  }, {
+    key: 'setProgress',
+    value: function setProgress(plugin, percentage) {
+      // Any plugin can call this via `this.core.setProgress(this, precentage)`
+      console.log(plugin.type + ' plugin ' + plugin.name + ' set the progress to ' + percentage);
+
+      return this;
+    }
+  }, {
+    key: 'run',
+    value: function run() {
+      // Walk over plugins in the order as defined by this.types.
+      var files = [];
+      for (var j in this.types) {
+        var type = this.types[j];
+        // Walk over all plugins of this type, passing & modifying the files array as we go
+        for (var i in this.plugins[type]) {
+          var plugin = this.plugins[type][i];
+          console.log('--> Now running ' + plugin.type + ' plugin ' + plugin.name + ': ');
+          files = plugin.run(files);
+          console.dir(files);
+          console.log('');
+        }
+      }
+
+      // core.run is the final step and retuns the results (vs every other method, returning `this`)
+      // for chainability
+      return files;
+    }
+  }]);
+
+  return Transloadit;
+})();
+
+exports['default'] = Transloadit;
+module.exports = exports['default'];
+
+},{}]},{},[1]);
diff --git a/build/core/Transloadit.scss b/build/core/Transloadit.scss
new file mode 100644
index 000000000..a188fa2e1
--- /dev/null
+++ b/build/core/Transloadit.scss
@@ -0,0 +1,5 @@
+.transloadit-js-client {
+  font-family: "Comic Sans MS";
+  color: purple;
+  border: 1px dashed pink;
+  font-size: 32px; }
diff --git a/build/plugins/.empty b/build/plugins/.empty
deleted file mode 100644
index e69de29bb..000000000
diff --git a/build/plugins/DragDrop.js b/build/plugins/DragDrop.js
new file mode 100644
index 000000000..de98fefdc
--- /dev/null
+++ b/build/plugins/DragDrop.js
@@ -0,0 +1,86 @@
+(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var _pluginsTransloaditPlugin = require('../plugins/TransloaditPlugin');
+
+var _pluginsTransloaditPlugin2 = _interopRequireDefault(_pluginsTransloaditPlugin);
+
+var DragDrop = (function (_TransloaditPlugin) {
+  _inherits(DragDrop, _TransloaditPlugin);
+
+  function DragDrop(core, opts) {
+    _classCallCheck(this, DragDrop);
+
+    _get(Object.getPrototypeOf(DragDrop.prototype), 'constructor', this).call(this, core, opts);
+    this.type = 'selecter';
+  }
+
+  _createClass(DragDrop, [{
+    key: 'run',
+    value: function run(files) {
+      this.core.setProgress(this, 0);
+      var selected = [{ name: 'lolcat.jpeg' }];
+      this.core.setProgress(this, 100);
+
+      return selected;
+    }
+  }]);
+
+  return DragDrop;
+})(_pluginsTransloaditPlugin2['default']);
+
+exports['default'] = DragDrop;
+module.exports = exports['default'];
+
+},{"../plugins/TransloaditPlugin":2}],2:[function(require,module,exports){
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var TransloaditPlugin = (function () {
+  // This contains boilerplate that all TransloaditPlugins share - and should not be used
+  // directly. It also shows which methods final plugins should implement/override,
+  // this deciding on structure.
+
+  function TransloaditPlugin(core, opts) {
+    _classCallCheck(this, TransloaditPlugin);
+
+    this.core = core;
+    this.opts = opts;
+    this.name = this.constructor.name;
+  }
+
+  _createClass(TransloaditPlugin, [{
+    key: "run",
+    value: function run(files) {
+      return files;
+    }
+  }]);
+
+  return TransloaditPlugin;
+})();
+
+exports["default"] = TransloaditPlugin;
+module.exports = exports["default"];
+
+},{}]},{},[1]);
diff --git a/build/plugins/TransloaditBasic.js b/build/plugins/TransloaditBasic.js
new file mode 100644
index 000000000..431d922f9
--- /dev/null
+++ b/build/plugins/TransloaditBasic.js
@@ -0,0 +1,67 @@
+(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+'use strict';
+
+var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var _TransloaditPlugin2 = require('./TransloaditPlugin');
+
+var _TransloaditPlugin3 = _interopRequireDefault(_TransloaditPlugin2);
+
+var TransloaditBasic = (function (_TransloaditPlugin) {
+  _inherits(TransloaditBasic, _TransloaditPlugin);
+
+  function TransloaditBasic(core, opts) {
+    _classCallCheck(this, TransloaditBasic);
+
+    _get(Object.getPrototypeOf(TransloaditBasic.prototype), 'constructor', this).call(this, core, opts);
+    this.type = 'presetter';
+    this.core.use(DragDrop, { modal: true, wait: true }).use(Tus10, { endpoint: 'http://master.tus.io:8080' });
+  }
+
+  return TransloaditBasic;
+})(_TransloaditPlugin3['default']);
+
+},{"./TransloaditPlugin":2}],2:[function(require,module,exports){
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var TransloaditPlugin = (function () {
+  // This contains boilerplate that all TransloaditPlugins share - and should not be used
+  // directly. It also shows which methods final plugins should implement/override,
+  // this deciding on structure.
+
+  function TransloaditPlugin(core, opts) {
+    _classCallCheck(this, TransloaditPlugin);
+
+    this.core = core;
+    this.opts = opts;
+    this.name = this.constructor.name;
+  }
+
+  _createClass(TransloaditPlugin, [{
+    key: "run",
+    value: function run(files) {
+      return files;
+    }
+  }]);
+
+  return TransloaditPlugin;
+})();
+
+exports["default"] = TransloaditPlugin;
+module.exports = exports["default"];
+
+},{}]},{},[1]);
diff --git a/build/plugins/TransloaditPlugin.js b/build/plugins/TransloaditPlugin.js
new file mode 100644
index 000000000..18eb4ef45
--- /dev/null
+++ b/build/plugins/TransloaditPlugin.js
@@ -0,0 +1,38 @@
+(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var TransloaditPlugin = (function () {
+  // This contains boilerplate that all TransloaditPlugins share - and should not be used
+  // directly. It also shows which methods final plugins should implement/override,
+  // this deciding on structure.
+
+  function TransloaditPlugin(core, opts) {
+    _classCallCheck(this, TransloaditPlugin);
+
+    this.core = core;
+    this.opts = opts;
+    this.name = this.constructor.name;
+  }
+
+  _createClass(TransloaditPlugin, [{
+    key: "run",
+    value: function run(files) {
+      return files;
+    }
+  }]);
+
+  return TransloaditPlugin;
+})();
+
+exports["default"] = TransloaditPlugin;
+module.exports = exports["default"];
+
+},{}]},{},[1]);
diff --git a/build/plugins/Tus10.js b/build/plugins/Tus10.js
new file mode 100644
index 000000000..10181dd9d
--- /dev/null
+++ b/build/plugins/Tus10.js
@@ -0,0 +1,92 @@
+(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var TransloaditPlugin = (function () {
+  // This contains boilerplate that all TransloaditPlugins share - and should not be used
+  // directly. It also shows which methods final plugins should implement/override,
+  // this deciding on structure.
+
+  function TransloaditPlugin(core, opts) {
+    _classCallCheck(this, TransloaditPlugin);
+
+    this.core = core;
+    this.opts = opts;
+    this.name = this.constructor.name;
+  }
+
+  _createClass(TransloaditPlugin, [{
+    key: "run",
+    value: function run(files) {
+      return files;
+    }
+  }]);
+
+  return TransloaditPlugin;
+})();
+
+exports["default"] = TransloaditPlugin;
+module.exports = exports["default"];
+
+},{}],2:[function(require,module,exports){
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var _TransloaditPlugin2 = require('./TransloaditPlugin');
+
+var _TransloaditPlugin3 = _interopRequireDefault(_TransloaditPlugin2);
+
+var Tus10 = (function (_TransloaditPlugin) {
+  _inherits(Tus10, _TransloaditPlugin);
+
+  function Tus10(core, opts) {
+    _classCallCheck(this, Tus10);
+
+    _get(Object.getPrototypeOf(Tus10.prototype), 'constructor', this).call(this, core, opts);
+    this.type = 'uploader';
+  }
+
+  _createClass(Tus10, [{
+    key: 'run',
+    value: function run(files) {
+      this.core.setProgress(this, 0);
+      var uploaded = [];
+      for (var i in files) {
+        var file = files[i];
+        this.core.setProgress(this, i * 1 + 1);
+        uploaded[i] = file;
+        uploaded[i].url = this.opts.endpoint + '/uploaded/' + file.name;
+      }
+      this.core.setProgress(this, 100);
+
+      return uploaded;
+    }
+  }]);
+
+  return Tus10;
+})(_TransloaditPlugin3['default']);
+
+exports['default'] = Tus10;
+module.exports = exports['default'];
+
+},{"./TransloaditPlugin":1}]},{},[2]);
diff --git a/build/transloadit-js-client.css b/build/transloadit-js-client.css
new file mode 100644
index 000000000..a188fa2e1
--- /dev/null
+++ b/build/transloadit-js-client.css
@@ -0,0 +1,5 @@
+.transloadit-js-client {
+  font-family: "Comic Sans MS";
+  color: purple;
+  border: 1px dashed pink;
+  font-size: 32px; }
diff --git a/build/transloadit-js-client.js b/build/transloadit-js-client.js
new file mode 100644
index 000000000..489f5e661
--- /dev/null
+++ b/build/transloadit-js-client.js
@@ -0,0 +1,242 @@
+(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
+
+var Transloadit = (function () {
+  function Transloadit(opts) {
+    _classCallCheck(this, Transloadit);
+
+    // Dictates in what order different plugin types are ran:
+    this.types = ['presetter', 'selecter', 'uploader'];
+
+    // Container for different types of plugins
+    this.plugins = {};
+  }
+
+  _createClass(Transloadit, [{
+    key: 'use',
+    value: function use(Plugin, opts) {
+      // Instantiate
+      var plugin = new Plugin(this, opts);
+
+      // Save in plugin container
+      if (!this.plugins[plugin.type]) {
+        this.plugins[plugin.type] = [];
+      }
+      this.plugins[plugin.type].push(plugin);
+
+      return this;
+    }
+  }, {
+    key: 'setProgress',
+    value: function setProgress(plugin, percentage) {
+      // Any plugin can call this via `this.core.setProgress(this, precentage)`
+      console.log(plugin.type + ' plugin ' + plugin.name + ' set the progress to ' + percentage);
+
+      return this;
+    }
+  }, {
+    key: 'run',
+    value: function run() {
+      // Walk over plugins in the order as defined by this.types.
+      var files = [];
+      for (var j in this.types) {
+        var type = this.types[j];
+        // Walk over all plugins of this type, passing & modifying the files array as we go
+        for (var i in this.plugins[type]) {
+          var plugin = this.plugins[type][i];
+          console.log('--> Now running ' + plugin.type + ' plugin ' + plugin.name + ': ');
+          files = plugin.run(files);
+          console.dir(files);
+          console.log('');
+        }
+      }
+
+      // core.run is the final step and retuns the results (vs every other method, returning `this`)
+      // for chainability
+      return files;
+    }
+  }]);
+
+  return Transloadit;
+})();
+
+exports['default'] = Transloadit;
+module.exports = exports['default'];
+
+},{}],2:[function(require,module,exports){
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var _pluginsTransloaditPlugin = require('../plugins/TransloaditPlugin');
+
+var _pluginsTransloaditPlugin2 = _interopRequireDefault(_pluginsTransloaditPlugin);
+
+var DragDrop = (function (_TransloaditPlugin) {
+  _inherits(DragDrop, _TransloaditPlugin);
+
+  function DragDrop(core, opts) {
+    _classCallCheck(this, DragDrop);
+
+    _get(Object.getPrototypeOf(DragDrop.prototype), 'constructor', this).call(this, core, opts);
+    this.type = 'selecter';
+  }
+
+  _createClass(DragDrop, [{
+    key: 'run',
+    value: function run(files) {
+      this.core.setProgress(this, 0);
+      var selected = [{ name: 'lolcat.jpeg' }];
+      this.core.setProgress(this, 100);
+
+      return selected;
+    }
+  }]);
+
+  return DragDrop;
+})(_pluginsTransloaditPlugin2['default']);
+
+exports['default'] = DragDrop;
+module.exports = exports['default'];
+
+},{"../plugins/TransloaditPlugin":4}],3:[function(require,module,exports){
+'use strict';
+
+var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var _TransloaditPlugin2 = require('./TransloaditPlugin');
+
+var _TransloaditPlugin3 = _interopRequireDefault(_TransloaditPlugin2);
+
+var TransloaditBasic = (function (_TransloaditPlugin) {
+  _inherits(TransloaditBasic, _TransloaditPlugin);
+
+  function TransloaditBasic(core, opts) {
+    _classCallCheck(this, TransloaditBasic);
+
+    _get(Object.getPrototypeOf(TransloaditBasic.prototype), 'constructor', this).call(this, core, opts);
+    this.type = 'presetter';
+    this.core.use(DragDrop, { modal: true, wait: true }).use(Tus10, { endpoint: 'http://master.tus.io:8080' });
+  }
+
+  return TransloaditBasic;
+})(_TransloaditPlugin3['default']);
+
+},{"./TransloaditPlugin":4}],4:[function(require,module,exports){
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var TransloaditPlugin = (function () {
+  // This contains boilerplate that all TransloaditPlugins share - and should not be used
+  // directly. It also shows which methods final plugins should implement/override,
+  // this deciding on structure.
+
+  function TransloaditPlugin(core, opts) {
+    _classCallCheck(this, TransloaditPlugin);
+
+    this.core = core;
+    this.opts = opts;
+    this.name = this.constructor.name;
+  }
+
+  _createClass(TransloaditPlugin, [{
+    key: "run",
+    value: function run(files) {
+      return files;
+    }
+  }]);
+
+  return TransloaditPlugin;
+})();
+
+exports["default"] = TransloaditPlugin;
+module.exports = exports["default"];
+
+},{}],5:[function(require,module,exports){
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var _TransloaditPlugin2 = require('./TransloaditPlugin');
+
+var _TransloaditPlugin3 = _interopRequireDefault(_TransloaditPlugin2);
+
+var Tus10 = (function (_TransloaditPlugin) {
+  _inherits(Tus10, _TransloaditPlugin);
+
+  function Tus10(core, opts) {
+    _classCallCheck(this, Tus10);
+
+    _get(Object.getPrototypeOf(Tus10.prototype), 'constructor', this).call(this, core, opts);
+    this.type = 'uploader';
+  }
+
+  _createClass(Tus10, [{
+    key: 'run',
+    value: function run(files) {
+      this.core.setProgress(this, 0);
+      var uploaded = [];
+      for (var i in files) {
+        var file = files[i];
+        this.core.setProgress(this, i * 1 + 1);
+        uploaded[i] = file;
+        uploaded[i].url = this.opts.endpoint + '/uploaded/' + file.name;
+      }
+      this.core.setProgress(this, 100);
+
+      return uploaded;
+    }
+  }]);
+
+  return Tus10;
+})(_TransloaditPlugin3['default']);
+
+exports['default'] = Tus10;
+module.exports = exports['default'];
+
+},{"./TransloaditPlugin":4}]},{},[1,2,3,4,5]);
diff --git a/core.js b/core.js
new file mode 100644
index 000000000..bb58f6b3c
--- /dev/null
+++ b/core.js
@@ -0,0 +1 @@
+module.exports = require('./lib/core')
diff --git a/examples/playground/package.json b/examples/playground/package.json
index 611f20b9c..2c23e3caa 100644
--- a/examples/playground/package.json
+++ b/examples/playground/package.json
@@ -4,7 +4,7 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "build": "../../node_modules/.bin/browserify src/js/app.js -o static/js/app.js",
+    "build": "../../node_modules/.bin/browserify src/js/app.js -o static/js/app.js -t [ babelify ]",
     "watch": "../../node_modules/.bin/watchify src/js/app.js -o static/js/app.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
diff --git a/examples/playground/src/js/app.js b/examples/playground/src/js/app.js
index 5aceafe16..6d641d93e 100644
--- a/examples/playground/src/js/app.js
+++ b/examples/playground/src/js/app.js
@@ -1,6 +1,5 @@
-import Transloadit from '../../../../src/core/Transloadit';
-import DragDrop from '../../../../src/plugins/DragDrop';
-import Tus10 from '../../../../src/plugins/Tus10';
+import Transloadit from '../../../../core';
+import { DragDrop, Tus10 } from '../../../../plugins';
 
 const transloadit = new Transloadit({wait: false});
 const files = transloadit
diff --git a/package.json b/package.json
index 5222bab8a..33ca6efa2 100644
--- a/package.json
+++ b/package.json
@@ -2,22 +2,25 @@
   "name": "uppy",
   "version": "0.0.1",
   "description": "Almost as cute as a Puppy :dog:",
-  "main": "index.js",
+  "main": "src/index.js",
   "scripts": {
-    "browser-sync": "browser-sync start --config bs-config.js",
-    "build": "npm run build:js && npm run build:css",
-    "build:css": "bin/builder node_modules/.bin/node-sass",
-    "build:js": "bin/builder node_modules/.bin/browserify",
+    "build": "npm run build:lib && npm run build:umd && npm run build:umd:min && npm run build:css",
+    "build:css": "bin/build-css",
+    "build:lib": "rm -rf ./lib && babel src -d lib --stage 0",
+    "build:umd": "./bin/build-umd",
+    "build:umd:min": "./bin/build-umd",
     "build:examples": "examples/buildAll node_modules/.bin/browserify",
-    "clean": "rm -rf build/*.js && rm -rf build/*.css",
-    "lint": "eslint src/js/lib/**/*.js",
-    "phantom-test": "zuul test/spec/upload.js --phantom",
-    "preview": "npm run watch & npm run browser-sync",
+    "clean": "rm -rf lib && rm -rf dist",
+    "lint": "eslint src/**/*.js",
+    "dev": "npm run watch & npm run server",
+    "dev:examples": "npm run watch & npm run server",
+    "server": "browser-sync start --config bs-config.js",
     "test": "bin/test",
-    "watch": "npm run watch:css && npm run watch:js",
-    "watch:css": "nodemon -e scss -x \"npm run build:css\"",
-    "watch:js": "bin/builder node_modules/.bin/watchify",
-    "watch:examples": "examples/buildAll node_modules/.bin/watchify"
+    "test:phantom": "zuul test/spec/upload.js --phantom",
+    "watch": "npm run watch:css & npm run watch:js",
+    "watch:css": "nodemon -e src/scss -x \"npm run build:css\"",
+    "watch:examples": "examples/buildAll node_modules/.bin/watchify & npm run watch:js",
+    "watch:js": "nodemon --watch src -e js --ignore src/scss -x \"npm run build:lib\""
   },
   "repository": {
     "type": "git",
@@ -30,6 +33,7 @@
   },
   "homepage": "https://github.com/transloadit/uppy#readme",
   "devDependencies": {
+    "babel": "^5.8.34",
     "babel-eslint": "^4.1.5",
     "babelify": "^6.4.0",
     "browser-sync": "^2.10.0",
diff --git a/plugins.js b/plugins.js
new file mode 100644
index 000000000..a94e316be
--- /dev/null
+++ b/plugins.js
@@ -0,0 +1 @@
+module.exports = require('./lib/plugins')
diff --git a/src/core/Transloadit.js b/src/core/Transloadit.js
index 298387a32..3ee55c3f9 100644
--- a/src/core/Transloadit.js
+++ b/src/core/Transloadit.js
@@ -1,6 +1,6 @@
 import async from 'async';
 
-export default class Transloadit {
+export default class {
   constructor(opts) {
     // Dictates in what order different plugin types are ran:
     this.types = [ 'presetter', 'selecter', 'uploader' ];
diff --git a/src/core/index.js b/src/core/index.js
new file mode 100644
index 000000000..b0bbca90b
--- /dev/null
+++ b/src/core/index.js
@@ -0,0 +1 @@
+export default from './Transloadit.js'
diff --git a/src/index.js b/src/index.js
new file mode 100644
index 000000000..f9defadf3
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,7 @@
+import Core from './core'
+import plugins from './plugins'
+
+export default {
+  Core,
+  plugins
+}
diff --git a/src/plugins/index.js b/src/plugins/index.js
new file mode 100644
index 000000000..9275e9ba5
--- /dev/null
+++ b/src/plugins/index.js
@@ -0,0 +1,9 @@
+import DragDrop from './DragDrop'
+import TransloaditBasic from './TransloaditBasic'
+import Tus10 from './Tus10'
+
+export default {
+  DragDrop,
+  TransloaditBasic,
+  Tus10
+}
diff --git a/build/.empty b/src/scss/index.scss
similarity index 100%
rename from build/.empty
rename to src/scss/index.scss