Tired of important discussions being disrupted by automated messages, lunch plans and random links? With Zulip, each conversation has its own thread. Looking for a conversation from two months ago? Zulip's fast and powerful search experience will delight you.
Share content with drag-and-drop file uploads, link previews, and inline images.
Zulip has everything you want in group chat. Apps for the iPhone, Android and desktop. More than 90 integrations (GitHub, Jira, Stripe, Zendesk, etc.). Keyboard shortcuts. Emoji reactions. Translated into a dozen languages.
Need anything else? We probably have it.
Zulip has modern apps for every major platform, powered by Electron and React Native.
Zulip is 100% open source software, built by a vibrant community of hundreds of developers from all around the world. With 120,000 words of developer documentation, a high quality code base, and a welcoming community, it’s easy to extend or tweak Zulip.
Or build your own integrations with Zulip’s powerful API.
Choosing Zulip over Slack as our group chat is one of the best decisions we've ever made. Zulip makes it easy for our community of 1000 Recursers around the world to stay involved, even years after their batches finish. No other tool has a user experience that scales to a community of our size.Nick Bergson-Shilcock, founder and CEO, Recurse Center
Zulip’s unique threading saves me well over an hour a day in working with our distributed team of engineers and PMs across 7+ time zones. We tried Slack, Mattermost, and other team chat products that claim to support threading, and nothing handles synchronous and asynchronous communication so intuitively.Jacinda Shelly, CTO, Doctor on Demand
In Zulip, you subscribe to streams. Streams are like channels in Slack or IRC.
Each stream message also has a topic. Topics are unique to Zulip.
Topics make it easy to catch up after a day of meetings.
Let’s click on “Tuesday night catering.”
Messages in Zulip retain their context even if they’re sent hours after the conversation started:
Messages sent hours apart are linked in the same topic.
Without topics, it’s hard to catch up efficiently, and hard to participate in conversations that started while you were away.
The last message about Tuesday night catering is hidden 56 messages ago. Meanwhile, you just see a mix of unrelated messages.