Gitter is a chat and collaboration tool for developers and users. It's a place for developers to talk.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad


Gitter is a chat and collaboration tool for developers and users. It's a place for developers to talk.


Commet is a client for Matrix focused on providing a feature rich experience while maintaining a simple interface. The goal is to build a secure, privacy respecting app without compromising on the features you have come to expect from a modern chat client.

Phorge is an open source, community driven platform for collaborating, managing, organizing and reviewing software development projects.




Open-source, privacy-first, with a non-custodial multichain wallet, a built-in AI assistant and Agent Marketplace, escrow payments, and a trusted reputation — all inside your chats.



The motivation behind the project is to provide a native desktop app for Matrix that feels more like a mainstream chat app (Element, Telegram etc) and less like an IRC client.




Join our growing community as you explore, play, and help craft the future of social VR. Create worlds and custom avatars. Welcome to VRChat.




Chitchatter is a free (as in both price and freedom) communication tool. Designed to be the simplest way to connect with others privately and securely, it is:

Sphinx.chat lets you use your lightning node to talk to anyone else who is running lightning and a sphinx compatible chat client.




BeeBEEP is a secure network chat. You can talk and send files with all your friends inside a local area network such of an office, home or internet cafe without a server.



Nerimity is an open-source, community-first chat platform built to deliver an elegant, powerful, and feature-rich experience.
![Profile Interface [PC - 2025]](https://d4.alternativeto.net/ofSvW79onBnQ3dT4TP6mtngdCU88FNmqv5Tk5xCMz3Q/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5Xzk5MzIyMl9mdWxsLnBuZw.jpg)
![Messages View [PC - 2025]](https://d4.alternativeto.net/Z0YhJMypz3Q3jnFWOjqYGTwVNkh5k6s3SQM5l8Rg4kE/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5XzI4MTQxOF9mdWxsLnBuZw.jpg)
![Server Discovery [PC - 2025]](https://d4.alternativeto.net/_po627STDjCCAfef0rngPK2upDDN9PY06d80lUQ6faQ/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5XzI4MjUwOF9mdWxsLnBuZw.jpg)
![Server Settings [PC - 2025]](https://d4.alternativeto.net/HQXrz0MnXBYtci2x26TfzVWpl2vrnm3kv_dbF23jwLE/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5XzYyODAyOF9mdWxsLnBuZw.jpg)
The Steam Chat app includes many key features of the desktop Steam client chat, including:



skribbl.io is a multiplayer drawing and guessing game played live right in your browser. Join a random public game or create a private room with friends. Then take turns choosing words from a list of options and visualizing the words with drawings as other players attempt to...








Chat with generative language models locally on your computer with zero setup. LocalChat is a simple, easy to set up local AI chat built on top of llama.cpp. It requires no technical knowledge and enables users to experience ChatGPT-like behavior on their own machines — fully...

StrafeChat is a web application focused on no censorship. We believe that people with any belief, opinion, or view should be able to communicate with each other freely.

UseResponse is a customizable Community Feedback and Support Software can be installed on your server as a PHP script or used in Cloud as SaaS.




Fully open source instant messaging server and clients. No proprietary components or non-free dependencies. Backend in pure Go (GPL 3.0), with a command-line administration tool in python + gRPC. Clients for Android, iPhone, and Web - ReactJS (all licensed under Apache 2.0).





Kopete is an instant messenger supporting AIM, ICQ, Jabber, Gadu-Gadu, Novell GroupWise Messenger, and more. It is designed to be a flexible and extensible multi-protocol system suitable for personal and enterprise use.

A hand-crafted IRC client that you can enjoy. Designed to be used easily and freely. More friendly than other webirc clients giving the general public an easy option to connect to any IRC network.

The only internet-enabled AI assistant that understands every website. Ask questions, write, & summarize anything. Uses ChatGPT.



