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...
Protovis : Protovis composes custom views of data with simple marks such as bars and dots. Unlike low-level graphics libraries that quickly become tedious for vi...
Frappe Charts : GitHub-inspired simple and modern charts for the web with zero dependencies.
Rickshaw : Rickshaw is a JavaScript toolkit for creating interactive time series graphs.
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.