Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice ...

An IRC-like internet chatroom hosted on ZeroNet, a distributed network. 0rc is a fully distributed website, and messages are s ...

VideoMeeting is a free and open source video conference solution built to have video calls and chats using your web browser. I ...

Mattermost is an open source, self-hosted Slack alternative. As an alternative to proprietary SaaS messaging, Mattermost bring ...

Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework. It is a great solution for co ...

Glip is instant messaging for teams and businesses to communicate and get work done at the same time. In Glip you work where y ...

It is difficult to grow, manage and measure the impact of online communities. Community owners need modern, chat-based communi ...

Ripcord is a desktop chat client for group-centric services like Slack and Discord. It provides a traditional compact desktop ...

HipChat is an instant messaging service designed for companies and teams. It has persistent chat rooms, one-to-one chat, searc ...

Self-hosted chat for small teams.

Features and Stuff BYOS (bring your own server) Persistent messages Multiple rooms New m ...

dialog app is built and designed for corporate communication on all types of mobile devices - tablet, mobile phones etc. All t ...

Matrix.org is a growing ecosystem for open, decentralised chat, VoIP and IoT communication. The Matrix project defines an ope ...