Zukitwo - Zukitwo is a Gnome Shell and GTK theme that currently works on Gnome Shell 3.14 and the latest version of GTK.
productboard - Beautiful and powerful product management.
Dark Language - Holistic language, editor, and infra for building backends
ProdPad - ProdPad helps your team gather ideas, surface the best ones and turn them into product specs, and then put it all on a product roadmap.
Materia - Materia is a development environment to build advanced mobile and web applications.
ProductPlan - Cloud-based product roadmap software solution