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...
RAWGraphs : RAW is an open web tool to create custom vector-based visualizations on top of the amazing d3.js library.
Primarily conceived as a tool for designers ...
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...
Botpress : Botpress is an open-source bot creation tool written in Javascript. It is powered by a rich set of open-source modules built by the community. We like...
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.