X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
OSRM - Utilities, Application Utilities, and Mapping APIs
Simple Poll - The easiest way to create polls in Slack
OpenRouteService.org - The spatial services API with plenty of features.
Padlet - Visual boards for organizing anything.
OPNsense - OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.