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... Free Open Source Linux Web Android iPhone iPad ... Self-Hosted Chrome Safari F-Droid Firefox End-to-end encryption Decentralized Group chat Matrix.org protocol ... Voice Call Built-in File transfer Encrypted chat GitHub integration Group collaboration Server Moderation Server side history Slack integration Team Collaboration Video calling Add a feature 154 Like
Mattermost Mattermost is an open source, self-hosted Slack alternative. As an alternative to proprietary SaaS messaging, Mattermost brings... Free Open Source Mac OS X 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 Add a feature 118 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 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 74 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 111 Like
HipChat HipChat is an instant messaging service designed for companies and teams. It has persistent chat rooms, one-to-one chat, searchable chat history, file sharing via drag... Freemium Mac OS X Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Apple Watch Team Collaboration Integrated File Sharing Share your screen Add a feature 72 Like HipChat no longer offers a truly self-hosted server, they've forced users onto their 'Cloud' offering. Guest • Mar 2018 • 0 agrees and 1 disagrees Disagree Agree
Let's Chat Self-hosted chat for small teams. Features and Stuff BYOS (bring your own server) Persistent messages Multiple rooms New message alerts /... Free Open Source Self-Hosted Cloudron Team Collaboration Add a feature 36 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 OS X Windows Linux Web Android ... iPhone Self-Hosted Encrypted chat Privacy protection Reactions Real time collaboration ... Team work Text chat Add a feature 24 Like
ZeroChat An IRC-like internet chatroom hosted on ZeroNet, a distributed network. 0rc is a fully distributed website, and messages are shared through peers using the ZeroNet... Free Open Source Mac Windows Linux Web Self-Hosted ... Python JavaScript ZeroNet Decentralized Distributed Add a feature 7 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 OS X 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
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 Add a feature 2 Like
Output Messenger Private and Secure Instant Messenger for Office designed specifically for keeping remote employees and multiple offices in sync. "Give your team the freedom to... Commercial Mac OS X Windows Linux Android iPhone ... Self-Hosted Group chat Integrated Chat Integrated File Sharing Share your screen Add a feature 8 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 2 Like
Weavy Collaboration Framework Embed contextual collaboration tools for unlimited users right into the web apps and sites you have built or already use. Commercial Web Android iPhone Self-Hosted Chrome ... Microsoft SharePoint Direct Messaging Document tracking Embeddable File-search ... Group chat Group collaboration Integrated File Sharing Meeting notes On-premises software Real time collaboration Share files Tasks managment Team Collaboration Unlimited users Voice Call Add a feature 1 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 Tasks managment Team Collaboration Add a feature 1 Like
ArrowChat ArrowChat is a jQuery based live chat software that uses PHP and mySQL. Free web chat software online for video calling. Commercial Web Android iPhone Self-Hosted No features added Add a feature 0 Like
