Bootstrap.native
If you are looking for Bootstrap without jQuery or vanilla Javascript for Bootstrap, this is the place to get started.
Jsblocks
Better MV-ish Framework
Docx
Easily generate .docx files with JS/TS with a solid API. Works for Node and on the Browser.
Pencilblue
Full stack online publishing and CMS for Node.js
Script.js
Asyncronous JavaScript loader and dependency manager
Datacamp Light
Convert any blog or website to an interactive learning platform for data science
Loglevel
Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
Batman
Fighting Crime and Kicking Apps
Montage
Core framework: Montage simplifies the development of rich HTML5 applications by providing modular components, real-time two-way data binding, CommonJS dependency management, and many more conveniences. Join us on irc.freenode.net#montage or https://groups.google.com/d/forum/montagejs
Qooxdoo
A Universal JavaScript Framework
Backbone.stickit
Backbone data binding, model binding plugin. The real logic-less templates.
Nanobar
Very lightweight progress bars. No jQuery
Machina.js
js ex machina - finite state machines in JavaScript
Markdown to Jsx
🏭 The most lightweight, customizable React markdown component.
JsRender
A light-weight but powerful templating engine, highly extensible, without DOM or jQuery dependency.
Almond
A minimal AMD API implementation for use after optimized builds
Overmind
Overmind - Frictionless state management