Mattermost vs Slack vs Telegram

Overview

Slack

Stacks121.7K

Followers97.7K

Votes6.0K

Mattermost

Stacks488

Followers582

Votes302

Stacks751

Followers634

Votes51

Detailed Comparison

Slack	Mattermost	Telegram
Imagine all your team communication in one place, instantly searchable, available wherever you go. That’s Slack. All your messages. All your files. And everything from Twitter, Dropbox, Google Docs, Asana, Trello, GitHub and dozens of other services. All together.	Mattermost is modern communication from behind your firewall.	Users can send messages and exchange photos, videos, stickers, audio and files of any type. It provides instant messaging, simple, fast, secure and synced across all your devices.
Create open channels for the projects, groups and topics that the whole team shares.;Search with context;Autocomplete makes mentioning your teammates quick and painless.;Configurable notifications for desktop, mobile push and email keep you as informed as you’d like.;Everything is perfectly in sync as you move between your desktop, iPhone, iPad, or Android device.;Powerful search & archiving means you can forget when you need to: we’ll remember for you.;Twitter, Dropbox, Google Docs, Asana, Trello, GitHub Integration;Add comments for feedback & stars for easy retrieval;Built-in internal and external sharing options ensure you can get and share any file with anyone	All your team communication in one place, searchable and accessible anywhere; Slack-compatible, not Slack-limited. Imports Slack channels, users and themes. Offers Slack-compatible webhooks and integrations including Hubot, Jenkins, GitLab and others; Self-host ready with System Console and IT admin tools for managing dozens of team sites. Installs with Linux binary, plus Docker, Heroku, AWS, Azure and Cloud Foundry options	Simple; Fast; Secure; Expressive; Social
Statistics
Stacks 121.7K	Stacks 488	Stacks 751
Followers 97.7K	Followers 582	Followers 634
Votes 6.0K	Votes 302	Votes 51
Pros & Cons
Pros 1209 Easy to integrate with 876 Excellent interface on multiple platforms 849 Free 694 Mobile friendly 690 People really enjoy using it Cons 13 Can be distracting depending on how you use it 6 Requires some management for large teams 6 Limit messages history 5 Too expensive 5 You don't really own your messages	Pros 60 Open source 41 On-premise deployment 26 Free 22 Built using golang 21 Fast and easy to use Cons 2 Less integrations and plugins than slack 2 Custom sidewide themes only in enterprise 2 Many basic features are enterprise only 1 Not compatible with Telegram keys, which used by FSB 1 Basic permissions only in enterprise edition	Pros 16 Lightweight 8 Unlimited history 8 Great bot API 8 Free 4 Can hide phone number Cons 3 Notification customisation is limited 3 Requires phone number 2 No video call
Integrations
GitHub Bitbucket Zapier Stripe Asana GoSquared Dropbox New Relic Google Drive Zendesk	AWS Elastic Beanstalk Amazon EC2 Segment Jenkins GitLab Microsoft Azure Google Compute Engine Hubot Cloud Foundry Amazon SES	Linux macOS Windows

What are some alternatives to Slack, Mattermost, Telegram ?

HipChat

HipChat is a hosted private chat service for your company or team. Invite colleagues to share ideas and files in persistent group chat rooms. Get your team off AIM, Google Talk, and Skype — HipChat was built for business.

Zulip

Zulip is powerful, open source team chat that combines the immediacy of real-time chat with the productivity benefits of threaded conversations. Zulip allows busy managers and others in meetings all day to participate in their teams chats.

RocketChat

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework. It is a great solution for communities and companies wanting to privately host their own chat service or for developers looking forward to build and evolve their own chat platforms.

Gitter

Free chat rooms for your public repositories. A bit like IRC only smarter. Chats for private repositories as well as organisations.

Flowdock

Flowdock is a web-based team chat service that integrates with your tools to provide a window into your team's activities. With the team inbox, everyone on your team can stay up to date. Stay connected with Flowdock's iOS and Android apps.

Microsoft Teams

See content and chat history anytime, including team chats with Skype that are visible to the whole team. Private group chats are available for smaller group conversations.

Keybase Teams

Keybase is for anyone. Imagine a Slack for the whole world, except end-to-end encrypted across all your devices. Or a Team Dropbox where the server can't leak your files or be hacked.

Fleep

Leave email behind and manage all conversations with your team, partners and clients in Fleep. If some of them are not Fleep users yet, they will receive all messages as normal emails.

Let's Chat

Let's Chat is a persistent messaging application that runs on Node.js and MongoDB. It's designed to be easily deployable and fits well with small, intimate teams. It's free (MIT licensed) and ships with killer features such as LDAP/Kerberos authentication, a REST-like API and XMPP support.