Envisage - Inject contextual help on your site. Point and click style.
Materia - Materia is a development environment to build advanced mobile and web applications.
Codesign.io - Visual feedback on everything
Zukitwo - Zukitwo is a Gnome Shell and GTK theme that currently works on Gnome Shell 3.14 and the latest version of GTK.
Product Fit - Measure product/market fit in app with your users.
Papirus - Papirus icon theme for Linux. Contribute to PapirusDevelopmentTeam/papirus-icon-theme development by creating an account on GitHub.