Facetune - Facetune is a fun and powerful portrait & selfie photo editor!
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
PaperRoll - A note-taking app for those who dump all notes on a single txt file
Vuash - Send secret messages safely.
Wing-project.org - WING - Wireless Mesh Network for Next-Generation Internet
Phonebot - Make phone calls from within a Slack channel