Top 20 open-source products relevant to Instant Messaging and Messaging

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

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

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

Open Source

Secure messaging, anywhere.

Open Source

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

Open Source

Open. Nonprofit. Cute ?

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

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

WeeChat is a fast, light and extensible chat client.

Open Source

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

Open Source

ChatSecure is a free and open source messaging app that features OTR encryption over XMPP.

Open Source

The Lounge is a web IRC client that you host on your own server.

Open Source

Wickr is a free end-to-end encrypted text, video, picture and voice messenger with full sender...

Open Source

Quassel IRC is a modern, cross-platform, distributed IRC client based on the Qt4 framework.

Open Source

Tinode Instant Messaging.

Open Source

We build tools to enhance communication freedom.

Open Source

The all-in-one AI-enhanced Telegram client elevating your conversations!

Open Source

Textual is the world's most popular application for interacting with Internet Relay Chat (IRC)...

Open Source