Top 20 open-source products relevant to Messaging

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Open Source

Fast, simple & secure messaging. Privacy that fits in your pocket.

Open Source

Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.

Open Source free

Brings voice and messaging to your web and mobile applications.

Open Source

Matrix is an open standard for decentralized persistent communication over IP.

Open Source

Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.

Open Source

Private & Secure Messenger.

Open Source

Chat for distributed teams. Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.

Open Source

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

Open Source

Franz is your messaging app for WhatsApp, Facebook Messenger, Slack, Gmail, Telegram and many many more.

Open Source freemium €4.0 / Monthly

Secure messaging, anywhere.

Open Source

Application and Data, Collaboration, and Web and Video Conferencing.

Open Source

Irssi is a terminal based IRC client for UNIX systems.

Open Source

HexChat is a fork of XChat with bug fixes and new features.

Open Source

Mumble is an open source, low-latency, high quality voice chat software primarily intended for use...

Open Source

A hand-crafted IRC client that you can enjoy. Designed to be used easily and freely.

Open Source

Empower Creation and Ensure Brand Consistency. Build and Share libraries of visual assets with your entire team — all from your desktop.

Open Source

Be more productive with Twake : the collaborative work platform to organize and manage all your projects on a single platform.

Open Source freemium

KVIrc is a free portable IRC client based on the excellent Qt GUI toolkit.

Open Source

WeeChat is a fast, light and extensible chat client.

Open Source