2315 Like Skype Good alternative? YES NO An instant messaging app that provides online text message and video chat services. Freemium Mac Windows Linux Web Android iPhone Blackberry Chrome OS ... Windows RT Android Tablet BSD Windows Phone iPad Apple Watch Android Wear PortableApps.com Video calling Share your screen IFTTT integration Microsoft Office integration Video calling Voice Call Add a feature
503 Like Slack Good alternative? YES NO Slack brings all your communication together in one place. It's real-time messaging, archiving and search for modern teams. Freemium Mac Windows Linux Web Android iPhone BSD Apple Watch ... Electron / Atom Shell Group collaboration Extensible by Plugins/Extensions Group chat Multi Channel Team collaboration App integration ... Channel manager IFTTT integration Support for @mentions Onboarding Out Of The Box Reactions Real time collaboration Team work Voice Call Add a feature
97 Like Riot.im Good alternative? YES NO 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 Matrix.org protocol Built-in File transfer Decentralized Encrypted chat GitHub integration ... Group chat Group collaboration Server Moderation Server side history Slack integration Team collaboration Video calling Voice Call Add a feature
87 Like Mattermost Good alternative? YES NO Mattermost is an open source, self-hosted Slack alternative. As an alternative to proprietary SaaS messaging, Mattermost brings... Free 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 Add a feature
59 Like Rocket.Chat Good alternative? YES NO 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
47 Like Matrix.org Good alternative? YES NO 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 Chat Bot Decentralized Encrypted chat End-to-end encryption Group chat Real time collaboration ... Server side history Team collaboration WebRTC Add a feature
146 Like Glip Good alternative? YES NO 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 Windows Web Android iPhone Android Tablet iPad Social feed Bitbucket Integration Box.com integration Built-in File Manager Calendar view 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 Team collaboration Team work Trello integration Zapier integration Zendesk integration Add a feature
63 Like HipChat Good alternative? YES NO 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 Windows Linux Web Android iPhone Android Tablet iPad ... Self-Hosted Apple Watch Integrated File Sharing Share your screen Team collaboration Add a feature
33 Like Let's Chat Good alternative? YES NO 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
20 Like Gitter Good alternative? YES NO 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 Windows Linux Web Android iPhone Real time collaboration Add a feature
23 Like Zulip Good alternative? YES NO 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 BSD Self-Hosted GitHub integration Group chat Group collaboration Integrated File Sharing Team collaboration Add a feature
17 Like Hack Chat Good alternative? YES NO hack.chat is a minimal, distraction-free chat application. Channels are created and joined by going to https://hack.chat/?your-channel . There are no channel lists, so a... Free Open Source Web Android Self-Hosted Distraction-free UI Add a feature
52 Like eXo Platform Good alternative? YES NO eXo Platform is a Social Intranet designed for enterprises. It helps people work together in a collaborative workplace. Commercial Mac Windows Linux Web Android iPhone iPad Group collaboration Real time collaboration Team collaboration Team messaging Add a feature
15 Like kune Good alternative? YES NO kune is a social network where you can communicate, collaborate and share between equals, using different web tools: documents, calendars, chats, wiki, messages, tasks... Free Open Source Web Decentralized Group chat Real time collaboration Add a feature
16 Like Campfire Good alternative? YES NO Campfire is a simple web-based real-time group chat tool for business. It makes real-time communication with 2-60 people as simple as visiting a web page. It’s... Commercial Web iPhone Group chat Integrated File Sharing Team collaboration Voice Call Add a feature
