Communicate as efficiently as you use your favorite text editor. Anything you can do with a mouse, you can do even faster from the keyboard. Learn more about keyboard shortcuts.
Get alerts and updates from your favorite services with off-the-shelf integrations for Trac, Nagios, GitHub, Jenkins, and more.
Want to roll your own notifications? We've got a dead-simple RESTful API and Python bindings that will make integrations—both sending and receiving—a snap!
Keep up while on the go with our native quality iOS and Android apps.
Prefer Zulip in its own window and rich, OS-level notifications? Enjoy Zulip on your desktop.
Search is both snappy and smart, helping you look for text, people, and threads of conversation, with advanced search operators for fine-grained control.
Join a stream and see its history, so even new team members are never out of the loop.
Keep a todo list of messages to come back to, or keep track of interesting conversations.
Zulip has a powerful set of analytics available to help you see how your organization communicates.
Lightweight private conversations with one or as many people as you need.
See who is currently online at a glance.
Enjoy the benefits of threaded conversations while controlling your audience and privacy.
We're always receiving messages for you, even when you're logged out or away from your computer.
Don't worry, you can always fix that typo, either in the body of message or its topic.
Know when other users are composing messages to you.
Zulip's drafts make it easy to write longer messages without worrying about losing your work.
Zulip follows best practices for accessibility, and has been validated using popular accessibility auditing tools.
Participate in several conversations with the same group at once, without getting lost or overwhelmed.
With topics, hotkeys and snappy performance, usefully reviewing hundreds of messages takes just minutes.
The Zulip UI is fully internationalized and has been translated into over a dozen languages.
Customize the available authentication methods and customize the login and registration pages for your organization using Markdown.
Create and join video calls with a single click. Powered by Jitsi.
Zulip is open source, so if something important for your use case is missing, you can make it happen!