Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Secure Send - Securely send passwords or sensitive data
blockslack.io - Chat for small teams — encrypted and decentralized
FusionAuth - FusionAuth is a CIAM platform that is 100% free for unlimited users.
Messenger Platform - Discovery, chat extensions, and richer experiences
secure-ls - Secure localStorage data with encryption and compression