Riot.im Riot (formerly Vector) is an opensource interoperable app running on Web, iOS and Android. It is built around chat rooms, both public and private and provides messaging... It also has chat rooms which can be combined into groups (like Discords servers) and group voice calls. It's open source and can be hosted on an own server or used on one of many free servers. nipos • Dec 2017 • 11 agrees and 2 disagrees Disagree Agree Free Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Chrome Safari F-Droid Firefox Apps with End-to-End Encryption Decentralized Group chat Matrix.org protocol ... Video calling Voice Call Community based Custom widgets DRM Free Encrypted chat GitHub integration Group collaboration Integrated File Sharing MarkDown support File Sending Server Moderation Server side history Slack integration Team Collaboration Video calling Add a feature 200 Like
Mattermost Mattermost is an open source, self-hosted Slack alternative. As an alternative to proprietary SaaS messaging, Mattermost brings... Freemium $ $ $ Open Source Mac Windows Linux Android iPhone ... Android Tablet iPad Self-Hosted JavaScript Go (Programming Language) Cloudron Team Collaboration Data API Group chat Integrated File Sharing ... MarkDown support On-premises software Plugin API Slack integration Supports XMPP Add a feature 142 Like
Matrix.org Matrix is an open standard for decentralized persistent communication over IP. It can be used for decentralised group chat, WebRTC signaling, IoT-data transfer, ... Free Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted WebRTC Python JavaScript Go (Programming Language) Java Perl Apps with End-to-End Encryption Decentralized Chat Bot Distributed ... Encrypted chat GNU/linux-libre Group chat Real time collaboration Server side history Team Collaboration WebRTC Add a feature 104 Like
Rocket.Chat Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework. Free Open Source Mac Windows Linux Android iPhone ... Self-Hosted Cloudron Group chat Ad-free Chat Bot Extensible by Plugins/Extensions ... Integrated File Sharing Location Mapping Share your screen Self-Serve Capability Slack integration Voice messages Add a feature 81 Like
Zulip Zulip is a group chat app. Its most distinctive characteristic is that messages are threaded by topic, helping you have long-running, organized conversations.... Free Open Source Mac Windows Linux Web Android ... iPhone Android Tablet BSD Self-Hosted Threaded Conversations Group collaboration Chat Bot Community based ... GitHub integration Group chat Integrated File Sharing MarkDown support Team Collaboration Add a feature 134 Like
Dialog Messenger Dialog Messenger is a customized self-hosted platform usable across multi operation systems simultaneously. dialog provides SDK tools for client interface as well as for... Free Personal Mac Windows Linux Web Android ... iPhone Self-Hosted Encrypted chat Reactions Real time collaboration Team work ... Text chat Add a feature 24 Like
Spectrum Chat A newly open sourced self hosted Slack like alternative for building persistent chat communities. Freemium $ $ $ Open Source Web Self-Hosted Group chat Group collaboration Support for @mentions Real time collaboration ... Team Collaboration Team work Add a feature 6 Like
VideoMeeting VideoMeeting is a free and open source video conference solution built to have video calls and chats using your web browser. It is a pure web application based on WebRTC... Free Open Source Web Chrome OS Self-Hosted Video calling Web-Based Add a feature 4 Like
TribeScale TribeScale is a startup that aims to enhance teamwork in companies through the improvement of communication, coordination, and the pace on the basis of targets set. Free Mac Windows Web Android iPhone ... iPad Self-Hosted Goal setting Goal Tracking Group chat Group collaboration ... Real time collaboration Team Collaboration Team work Add a feature 24 Like
dirc Peer-to-peer IRC-inspired self-hosted serverless web browser chat. Chat from your browser. Free Open Source Mac Windows Linux Web Android ... iPhone Chrome OS Self-Hosted Group chat Add a feature 2 Like
Pychat Free opensource chat that allows chatting, video calls, screen sharing, sending files directly to another pc and more else. Free Open Source Web Self-Hosted Support for Docker Group chat Share your screen Add a feature 2 Like
Intraboom Intraboom is a simple, all-in-one digital workplace that makes communicating and collaborating with your team more efficient for your internal and external projects. And... Freemium $ $ $ Android iPhone Self-Hosted Group chat Real time collaboration Team Collaboration Add a feature 1 Like
Modular.im Awesome hosting for Matrix chat and integrations - built on the Matrix open ecosystem for secure, decentralised communication, by the creators of Matrix. Commercial $ $ $ Open Source Web Self-Hosted Community based Custom widgets Decentralized DRM Free ... Encrypted chat MarkDown support Matrix.org protocol Server side history Video calling Voice calling Add a feature 0 Like
