Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
It is a great solution for communities and companies wanting to privately host their own chat service or for developers looking forward to build and evolve their own chat platforms. Its features include File sharing, Video conferencing, Screen sharing, Live chat, Link preview and lot more. 

RocketChat - The ultimate open source web chat platform

Gitter is designed to make community messaging, collaboration and discovery as smooth and simple as possible. You can easily create, organise and grow your communities, inviting others to join just in one click. Gitter is an instant messaging and chat room system for developers and users of GitHub repositories. Gitter is similar to IRC and Slack. Unlike IRC, and like Slack, it automatically logs all messages in the cloud.

Gitter - Community for Software Developers

Zulip is a powerful, open source group chat application. It supports both private messaging and group chats via conversation streams. Zulip also supports fast search, drag-and-drop file uploads, image previews, group private messages, audible notifications, missed-message emails, desktop apps, and much more.

Zulip - Group Chat

Element is a messaging app that lets you chat securely with your family and friends. The communication is default end-to-end encrypted, cross-signed device verification and decentralisation to choose who you trust with your data. Element is unique. You own your data and decide where it lives. Element lets you talk securely to anyone, regardless of their app. It supports unlimited voice, video and messaging. It is built on Matrix.

Element - Secure and independent communication, connected via Matrix

Let's Chat is a persistent messaging application that runs on Node.js and MongoDB. It's designed to be easily deployable and fits well with small, intimate teams. It supports XMPP Multi-user chat (MUC), Multiple rooms, File uploads and lot more.

Lets-Chat - Self-hosted chat for small teams

Discover open source projects across all platforms

Projects

RocketChat - The ultimate open source web chat platform

Gitter - Community for Software Developers

Zulip - Group Chat

Element - Secure and independent communication, connected via Matrix

Lets-Chat - Self-hosted chat for small teams

TechStack

Tagcloud

License

Suggested keywords:

Projects

RocketChat - The ultimate open source web chat platform

Gitter - Community for Software Developers

Zulip - Group Chat

Element - Secure and independent communication, connected via Matrix

Lets-Chat - Self-hosted chat for small teams

TechStack

Tagcloud

License