Open source email service with a strong focus on security and privacy
Keybase Go library, client, service, OS X, iOS, Android, Electron
The original full-platform IM communication layer framework
A New Kind of Instant Messaging
Powerful open source team chat application
Home to the Signal Protocol and other cryptographic primitives
Secure, simple and scalable video conferences application
A free (libre) open source, mobile OS for Ethereum
Library for parsing and validating international phone numbers
Remote control. Support VNC, RDP, Terminal, SSH, TELNET etc
German version of the "Plum Harbor" file sharing app.
bluetooth mesh chat, IRC vibes
Encrypted messaging, communities, voice chat, and file sharing.
An open-source file sharing app built using Next.js and Perplexity.
It's the simple cloud.
Cerberus Content Management System
Smoke: Android Crypto Chat Messenger
Unified Communications System - PBX System
ChatSecure is a free and open source encrypted chat client for iOS
Infrastructure for building composable apps and services on the IPFS
Use a smartphone to send serial commands.
Self-hosted chat app for small teams
C# Framework for WinCC OA Open Architecture connectivity (XMLRPC)