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What is 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.
Zulip is a tool in the Group Chat & Notifications category of a tech stack.
Zulip is an open source tool with 10.7K GitHub stars and 3.4K GitHub forks. Here’s a link to Zulip's open source repository on GitHub

Who uses Zulip?

Companies
12 companies reportedly use Zulip in their tech stacks, including Solano Labs, Weight Measuring Company «Tenso-M», and Leonis Holding.

Developers
143 developers on StackShare have stated that they use Zulip.

Zulip Integrations

GitHub, Git, WordPress, Slack, and Trello are some of the popular tools that integrate with Zulip. Here's a list of all 66 tools that integrate with Zulip.

Why developers like Zulip?

Here’s a list of reasons why companies and developers use Zulip
Zulip Reviews

Here are some stack decisions, common use cases and reviews by companies and developers who chose Zulip in their tech stack.

Zulip
Zulip
Slack
Slack

We use Zulip for group chat at the Recurse Center, both for our team (< 10 people) and for our alumni community (1,300+ people). We tried Slack, but Zulip is way better. Among the many reasons: It has a much better threading model and is open source.

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Zulip
Zulip

I use Zulip because the threading setup is a powerful way to manage different types of conversation. My other chat tools either don't have threading, or use threading as an afterthought.

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Armaan Ahluwalia
Armaan Ahluwalia
Zulip
Zulip

I use Zulip because it completely changes the way you think about real-time collaboration. It provides the sanity of asynchronous communication along with the immediacy of a real-time chat.

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Vishnu KS
Vishnu KS
Software Engineer at Zulip · | 5 upvotes · 18.2K views
atZulipZulip
Zulip
Zulip
Slack
Slack

Zulip has easily the best threading model among all the chat applications and I prefer it over Slack, Mattermost, RocketChat, Hipchat, Discord etc. Each and every conversation is a seperate thread and has a topic. This model makes it extremely easier to catch up and participate in conversations. Once you get used to the threading model of Zulip its hard to tolerate threading model like Slack which is really inefficient and time wasting.

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Zulip
Zulip

I use Zulip because of the threading model i.e. having topics inside a channel makes it easy to catch up to topics and keeps your organisation's chat well organised.

1.) Having topics inside a channels ensures that you can have multiple conversations in the same channel at the same time. For e.g. Imagine a chat system with no topics and only channels. A real-time conversation about say an expensive migration is going in the #backend channel. But you have a question about how the push notifications work in the project. In that case you will either hesitate to post your question (which would be the mostly likely outcome if you're a new member especially) or you would interrupt/disturb the ongoing conversation and both of the conversations would go on in parallel in the same stream in a convoluted and incoherent manner.

Having topics inside channels in Zulip in the above situation allows you to just create a new topic inside the #backend channel and initiate your conversation there without worrying about the other conversations happening in the same channel at the same time.

2.) Having topics defined for each conversation makes you finding old conversations more convenient and faster. In a chat system with no topics inside channels, you would have to search the entire text content with the exact text that you typed say maybe 6 months ago which you may or may not remember exactly as is.

While just having a look at the topic list in Zulip chat in the above case would return you the conversation about the topic you were looking for without searching the entire text. This makes searching easier and faster. Please do note that a search across the entire text is also much faster in Zulip than its competitors like slack.

3.) Each conversation is linkable which is super convenient i.e. you can get a link to a conversation like https://chat.zulip.org/#narrow/stream/7-test-here/subject/My.20Test.20Topic/near/666741 and share it.

4.) The topic list for a channel in Zulip also acts as a summary of the conversations that happened in the channel. For a person who has been inactive in an organization for a long time, the topic list make its easier to catch up to your messages missed in the past.

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Zulip
Zulip

I use Zulip because it combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.

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Zulip Alternatives & Comparisons

What are some alternatives to Zulip?
Slack
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.
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.
Discord
Discord is a modern free voice & text chat app for groups of gamers. Our resilient Erlang backend running on the cloud has built in DDoS protection with automatic server failover.
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.
See all alternatives

Zulip's Followers
183 developers follow Zulip to keep up with related blogs and decisions.
Murray Neish
pingjiang
Naveen  Sundar
Sophie Hautcoeur
Rafid Aslam
abhishek  kapoor
Himansu Sekhar
L Borbiro
John Alton
Mohamma76685757