Mattermost

mattermost is an open source, self-hosted slack alternative.

Free
Open Source
Mac OS X
Windows
Linux
Android
iPhone
Android Tablet
iPad
Self-Hosted

mattermost is an open source, selfhosted slack alternative.

as an alternative to proprietary saas messaging, mattermost brings all your team communication into one place, making it searchable and accessible anywhere. it’s written in golang and react and runs as a productionready linux binary under an mit license with either mysql or postgres.

mattermost is:

slackcompatible, not slacklimited – mattermost features rival slack features, and support a superset of slack’s incoming and outgoing webhook integrations, including compatibility with existing slack integrations. from your existing slack teams, you can import users, public channel history and even theme setting colors into mattermost.

mobile and desktop apps, in addition to web – use mattermost from your ios or android phones and tablets or with installed apps on windows, linux and mac.

easy to deploy, manage, and upgrade – mattermost runs as linux binary, docker image, and many other forms. try mattermost with a oneline docker install, and many install guides are available. improvements ship monthly.

supported by a vibrant community – use mattermost with dozens of community integrations and applications, including jira, irc, xmpp, hubot, giphy, jenkins, gitlab, trac, redmine, svn, rss/atom and many others. build and share your own apps using mattermost apis and drivers.

Links to official Mattermost sites

Official Website
GitHub
Facebook

Features

MarkDown support Group chat Slack integration Team Collaboration Integrated File Sharing Data API On premises software Plugin API

The Best 38 Mattermost Alternatives

group-chat filter is active.

971 Like

Telegram

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful. .

Free Mac OS X Windows Linux Android iPhone Web Blackberry Mac Windows Mobile

Portable Privacy protection Ad free Built in File transfer IFTTT integration Works Offline Share files Video calling Voice Call Cloud sync Multiple Account support Lightweight Group chat Multi Device Support Voice messages Search by tags Support for Themes Chat Bot Encrypted chat Photo Sharing Public groups chat Push to talk Anonymous Secure Filesharing End to end encryption Self destructing messages Share Videos Based on phone number Stickers Send Big files Portable Linux In Game Overlay Built in Photo editor Encrypted calls Encrypted VoIP calls GPS Location Tracking Messages in cloud Persistent History Secret chats
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Hangouts

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Built in File transfer Video calling Group chat Voice messages Encrypted chat End to end encryption Mobile friendly Based on phone number
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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 Android iPhone BSD Web Apple Watch

Extensible by Plugins/Extensions IFTTT integration Share files Voice Call Real time collaboration Group chat Support for @mentions App integration Channel manager Group collaboration Multi Channel Onboarding Out Of The Box Reactions Team Collaboration Team work
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Jitsi

Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR, ZRTP...

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Video calling Multiple Account support Group chat WebRTC End to end encryption Multiple protocols iPhone/iPod sync OTR
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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 what your team is doing and what needs to get done next.

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Share your screen Google Drive integration Real time collaboration Group chat Onedrive integration Group collaboration Team Collaboration Team work Dropbox integration CRM Recurring tasks Built in File Manager Trello integration Shared calendars Social feed Bitbucket Integration Box.com integration Calendar view GitHub integration Mailchimp integration Meeting notes Zapier integration Zendesk integration
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Zulip

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Free Open Source Mac OS X Windows Linux Android iPhone BSD Web Self-Hosted

MarkDown support Group chat Group collaboration Team Collaboration Chat Bot Community based Integrated File Sharing GitHub integration Threaded Conversations
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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, and generally to link together fragmented silos of communication.

Free Open Source Windows Linux Android iPhone Android Tablet iPad Web Mac

Real time collaboration Group chat WebRTC Team Collaboration Chat Bot Encrypted chat Decentralized End to end encryption Distributed GNU/linux libre Server side history
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Rocket.Chat

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

Free Open Source Windows Linux Android iPhone Mac Self-Hosted Cloudron

Extensible by Plugins/Extensions Ad free Share your screen Group chat Voice messages Chat Bot Integrated File Sharing Location Mapping
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Typetalk

Engage your team and inspire collaboration with Typetalk, a cloud-based chat app for modern teams.

Freemium Windows Android iPhone Web Mac

Group chat Team Collaboration Team messaging
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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.

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qiscus

qiscus organizes your work discussions into rooms and topics to help your team become more efficient and productive.

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Video calling Group chat Team Collaboration Integrated File Sharing
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Grape

Grape is a business communication solution with a deep service integration, that makes all the distributed data from different external cloud services instantly available - right as you type.

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Microsoft Office integration Group chat Team Collaboration Dropbox integration Integrated File Sharing GitHub integration Google Calendar integration
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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 elegant, easy, and web-based.

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Voice Call Group chat Team Collaboration Integrated File Sharing
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Flowdock

Flowdock is a beautiful group chat. You can upload files, paste blocks of text, use #hashtags to make notes or create lists and mention others’ names to get their attention. Flowdock is also a highly efficient shared inbox.

Commercial Web

Real time collaboration Group chat Support for @mentions Group collaboration
14 Like

Sid

Sid is a secure teamwork tool to make your team communication safer, simpler and more efficient.

Free Mac OS X Windows Linux Android iPhone Android Tablet iPad

Group chat Team Collaboration Team work Encrypted chat End to end encryption Integrated File Sharing
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AVAILO is a business communication app for teams.

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Group chat Team Collaboration Team work Integrated File Sharing
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Private and Secure Instant Messenger for Office designed specifically for keeping remote employees and multiple offices in sync.

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Integrated Chat Share your screen Group chat Integrated File Sharing
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Zoho Chat

Zoho Chat combines content and communications into a single view to give you a comprehensive picture of your team's work.

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Group chat Integrated File Sharing
2 Like

Stride by Atlassian

Stride is the complete team communication solution with group messaging, video meetings, and built-in collaboration tools. Try free today!

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Voice Call Group chat App integration Group collaboration

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Mattermost

Links to official Mattermost sites

Features

Categories

Tags

The Best 38 Mattermost Alternatives

Telegram

Hangouts

WhatsApp Messenger

Slack

Jitsi

Glip

Zulip

Matrix.org

Rocket.Chat

Typetalk

TribeScale

qiscus

Grape

Campfire

Flowdock

Sid

AVAILO

Output Messenger

Zoho Chat

Stride by Atlassian

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