Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.
Secure Send - Securely send passwords or sensitive data
Seald - Keep your conversations secure, everywhere.
FusionAuth - FusionAuth is a CIAM platform that is 100% free for unlimited users.
Keybase Chat - End-to-end encrypted chat built into Keybase
secure-ls - Secure localStorage data with encryption and compression