Cachet - Cachet is a free, open source status page for your API, service or company. Built with all of the features that you'd expect from a status page.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
cState - 🔥 Free & open source under MIT!
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Status.io - Status.io is a platform for system status pages and status notifications. Companies rely on Status.io to track outages, schedule planned maintenances, broadcast status notifications, and much more; and their customers love the transparency.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.