cssplot Simple, css-only plotting.
note&point Downloadable Keynote, Powerpoint and PDF presentation designs
Regexinator Google Analytics RegEx builder to concatenate large amounts of data
Fabric A modular, cross-platform free mobile development kit from Twitter
750 Free Glyphs Material Design system icons pack open sourced by Google. The system icons contain icons commonly used across different apps, such as icons used for media playback, communication, content editing, connectivity, and so on. Useful for web, Android and iOS