HawkPost - Submit your content securely
Chadder - Encrypted messaging app
FusionAuth - FusionAuth is a CIAM platform that is 100% free for unlimited users.
GrapheneOS - GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility.
Earlynote - A time-travelling messaging app
TunnelBear - Really simple VPN to browse the web privately & anonymously.