A New Kind of Instant Messaging
A private messenger for iOS
Open source email service with a strong focus on security and privacy
File transfer between Android, iOS, Linux, macOS, and Windows
The game engine for everyone
Wire for iOS (iPhone and iPad)
Powerful open source team chat application
A free, self-hostable news aggregator
Instant messaging platform
Keybase Go library, client, service, OS X, iOS, Android, Electron
Development toolkit for Web Services and XML data bindings for C & C++
Remote control. Support VNC, RDP, Terminal, SSH, TELNET etc
Smoke: Android Crypto Chat Messenger
The Free & Popular FLARUM Web Software in a Complete Virtual Machine
RSS/Atom/OPML reader in Javascript + CORS proxy in Java
PHP driven chat forum
rabbit instant messaging
Free and open source Q&A platform software for all the teams.
Cerberus Content Management System
Sharik lets you easily share files within your local network
Unified Communications System - PBX System
It's the simple cloud.
A cross-platform protocol library to communicate with iOS devices
ChatSecure is a free and open source encrypted chat client for iOS