Slack Slack brings all your communication together in one place. It's real-time messaging, archiving and search for modern teams. Freemium Mac OS X Windows Linux Web Android ... iPhone BSD Apple Watch Electron / Atom Shell Group chat Group collaboration Team Collaboration Extensible by Plugins/Extensions ... Multi Channel App integration Channel manager IFTTT integration Support for @mentions Onboarding Out Of The Box Reactions Real time collaboration Share files Team work Voice Call Add a feature 572 Like
Wire Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group chats, file sharing, audio and video messages... Free Personal $ $ $ Open Source Mac Windows Linux Web Android ... iPhone Android Tablet iPad End-to-end encryption Security focused Encrypted calls Encrypted chat ... Group chat Integrated File Sharing Photo Sharing Privacy focused Privacy Protected Share your screen Video calling Voice Call WebRTC Add a feature 156 Like
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 Decentralized End-to-end encryption Group chat Matrix.org protocol ... Built-in File transfer Encrypted chat GitHub integration Group collaboration Self Hosted Feature Server Moderation Server side history Slack integration Team Collaboration Video calling Voice Call Add a feature 151 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 115 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 73 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 Ad-free Chat Bot Extensible by Plugins/Extensions Group chat ... Integrated File Sharing Location Mapping Share your screen Voice messages Add a feature 68 Like
Basecamp Basecamp is a web-based project collaboration tool that allows groups of people to share files, meet deadlines, assign tasks, and centralize feedback. Commercial $ $ $ Mac Windows Web Android iPhone ... iPad Content Templates Gantt-charts Sync with Google Calendar iCal integration ... Support for @mentions Outlook integration Real time collaboration Social feed Add a feature 180 Like
Glip Glip is instant messaging for teams and businesses to communicate and get work done at the same time. In Glip you work where your conversations are, so you always know... Freemium Mac OS X Windows Web Android iPhone ... Android Tablet iPad Social feed Bitbucket Integration Box.com integration Built-in File Manager ... Calendar view CRM Dropbox integration GitHub integration Google Drive integration Group chat Group collaboration Mailchimp integration Meeting notes Onedrive integration Real time collaboration Recurring tasks Share your screen Shared calendars Sync Calendars Team Collaboration Team work Trello integration Zapier integration Zendesk integration Add a feature 153 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
Quip Quip is a modern word processor that enables you to create beautiful documents on any device, including the iPad, iPhone, and the desktop. It combines documents and... Commercial Mac OS X Windows Android iPhone Android Tablet ... iPad Real time collaboration Content Templates Export to Google Spreadsheets IFTTT integration ... Integrated Chat Support for @mentions Works Offline Real time collaboration Slack integration Add a feature 56 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 OS X Windows Linux Web Android ... iPhone 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 109 Like
Gitter Gitter is a chat and collaboration tool for developers and users. It's a place for developers to talk. KEY FEATURES - Unlimited public chat rooms for free -... Free Open Source Mac OS X Windows Linux Web Android ... iPhone Real time collaboration Add a feature 26 Like
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
eXo Platform eXo Platform is a Digital Collaboration Platform for enterprises. It helps people work together in a collaborative workplace. Free Open Source Mac OS X Windows Linux Web Android ... iPhone iPad Self-Hosted App integration Group collaboration Real time collaboration Shared calendars ... Team Collaboration Team messaging Team work Add a feature 60 Like
Twist A communication app for teams who want to create a calmer, more organized, more productive workplace. Freemium Mac OS X Windows Android iPhone iPad Chat Bot Conversation view Indexed search Threaded Conversations Add a feature 11 Like
