Diode Drive offering a secure alternative to Slack, Google Drive, Discord, and various messaging apps (Signal, Telegram, etc.) for those looking to regain ownership of their personal or work related data/information.




The best open source alternative to Wire is Signal. If that doesn't suit you, our users have ranked more than 100 alternatives to Wire and loads of them are open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Wire are Element, Tox, Jitsi Meet and SimpleX Chat.
Diode Drive offering a secure alternative to Slack, Google Drive, Discord, and various messaging apps (Signal, Telegram, etc.) for those looking to regain ownership of their personal or work related data/information.




Fast open source Slack desktop app, written in Node.js with native UI powered by the Yue library.



Telephone allows you to make phone calls over the Internet or your company network. If your phone line supports SIP protocol, you can use it on your Mac instead of a physical phone anywhere you have a decent network connection.


Selene is a comprehensive peer-to-peer chat and file sharing application built on the Tor network. It enables secure, private communication and seamless file transfers between users, leveraging the anonymity and resilience of Tor.


A free, open-source, out-of-the-box audio conferencing app exposed via an API. Talk with your teammates, friends, and others at the push of a button.

Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collaboration with other people.




Zerion is a secure messaging app and encrypted vault designed for people who need private, anonymous, censorship-resistant communication.



PeerSuite is an open source, decentralized, private alternative to apps like Discord or Slack. All data is sent only between clients through encrypted WebRTC channels.

Small program mainly aimed to provide a simple user interface for making VoIP calls with Asterisk PBX (an open source VoIP PBX).
QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship product of the QuteCom project is a softphone which allows you to make free PC to PC video and voice calls, and to integrate all your IM contacts...

Start your next video call with a single click. No download, plug-in or login required. Just get straight to talking, messaging and sharing your screen.
