Prospero - Professional Business Proposals
HawkPost - Submit your content securely
Proposify - A simpler way to deliver winning proposals to clients.
FusionAuth - FusionAuth is a CIAM platform that is 100% free for unlimited users.
Colibro Proposals - Compose, send, and sign proposals online for free
GrapheneOS - GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility.