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 6 Mattermost Alternatives

end-to-end-encryption 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
590 Like

WhatsApp Messenger

WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.

Free Mac OS X Windows Android iPhone Android Tablet Web Blackberry S60

Built in File transfer Video calling Group chat Voice messages Encrypted chat End to end encryption Mobile friendly Based on phone number
265 Like

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...

Free Open Source Mac OS X Windows Linux Android BSD Web

Video calling Multiple Account support Group chat WebRTC End to end encryption Multiple protocols iPhone/iPod sync OTR
69 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, 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
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
6 Like

Semaphor

Zero Knowledge, end-to-end encrypted collaboration tool for teams and businesses. Reviewable source code. Python wrapper for bots & integrations. Encryption white paper. Native offline mode. Faster file-sharing. Built for enterprise. .

Freemium Mac OS X Windows Linux Android iPhone

Real time collaboration Team Collaboration End to end encryption Mobile friendly Integrated File Sharing

Search app for alternative

Alternativein is a new approach to finding good application.
Just type what software you want to change and browse great alternatives, based on our great community recommendations.

Alternativein is powered by a community that helps you make informed decisions. Tell us what you’re passionate about to get your personalized feed and help others.

Alternativein is a product recommendation community that helps connect people with the best products for them. You shouldn’t have to waste time and money to find solutions to your problems. By collecting the knowledge of enthusiasts across the world through recommendations, we can quickly and confidently show people the truth about a product.

We dream of a world where products succeed or fail on their own merits, and allowing people the space to share their thoughts is the first step in achieving that.

Mattermost

Links to official Mattermost sites

Features

Categories

Tags

The Best 6 Mattermost Alternatives

Telegram

WhatsApp Messenger

Jitsi

Matrix.org

Sid

Semaphor

Search app for alternative

Menu