Etetoolkit/Treematcher
A searching tool for data trees using regular expressions.

Mozilla/OSSN
The homepage of Mozilla's Open Source Student Network

OpenSCN
Open Smart Campus Network. An open source solution for scalable IoT backend.

OpenSuse/OSEM
Open Source Event Manager. An event management tool tailored to Free and Open Source Software conferences

dpliakos/Dude
Simple workflow management system