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Prepack : Prepack is a tool that optimizes JavaScript source code: Computations that can be done at compile-time instead of run-time get eliminated. Prepack rep...
Paged.js : Paged.js is a free and open source JavaScript library that paginates content in the browser to create PDF output from any HTML content. This means you...
Xinha : Xinha is a powerful WYSIWYG HTML editor component that works in all current browsers. Its configurabilty and extensibility make it easy to build just ...
Astro : Astro is an all-in-one web framework for building fast, content-focused websites.
This is an open-source “spin-off” from the SIMILE project at MIT. Here we offer free, open-source web widgets, mostly for data visualizations. They are maintained and improved over time by a community of open-source developers.