Microsoft Teams vs Slack vs Zulip

Overview

Slack

Stacks121.7K

Followers97.7K

Votes6.0K

Zulip

Stacks223

Followers344

Votes366

GitHub Stars23.7K

Forks8.9K

Microsoft Teams

Stacks2.4K

Followers1.7K

Votes144

Detailed Comparison

Slack	Zulip	Microsoft Teams
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.	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.	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.
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	Apps for every platform; Open source; Seamless integrations with everything you use	All your content, tools, people, and conversations are available in the team workspace;Enjoy built-in access to SharePoint, OneNote, and Skype for Business;Work on documents right in the app
Statistics
GitHub Stars -	GitHub Stars 23.7K	GitHub Stars -
GitHub Forks -	GitHub Forks 8.9K	GitHub Forks -
Stacks 121.7K	Stacks 223	Stacks 2.4K
Followers 97.7K	Followers 344	Followers 1.7K
Votes 6.0K	Votes 366	Votes 144
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 Limit messages history 6 Requires some management for large teams 5 You don't really own your messages 5 Too expensive	Pros 65 Open source 48 Great Community 40 Extensive developer documentation 38 Powered by Python 34 Clean & Smooth UI Cons 1 Integration with most of well known services 0 The interface require a lot of overhaul	Pros 29 Work well with the rest of Office 365 work flow 24 Mobile friendly 19 Free 12 Great integrations 12 Well-thought Design Cons 17 Confusing UI 12 Bad performance on init and after quite a use 10 Bad Usermanagement 6 No desktop client (only fat and slow electron app) 6 Can't see all members in a video meeting
Integrations
GitHub Bitbucket Zapier Stripe Asana GoSquared Dropbox New Relic Google Drive Zendesk	GitLab Heroku Git Bitbucket Sentry Trello GitHub Librato Jira PagerDuty	Skype

What are some alternatives to Slack, Zulip, Microsoft Teams?

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.

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.

Mattermost

Mattermost is modern communication from behind your firewall.

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.

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.

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.