🔐 giovantenne/lastsignal Delivers encrypted messages to contacts if you stop responding to periodic email check-ins, with configurable timing and end-to-end encryption ⭐ Stars: 686 📅 Last Update: Jul 18, 2026 https://github.com/giovantenne/lastsignal #selfhosted #homelab #selfhost #selfhosting #opensource #deadmanswitch #e2ee