Powerful group chat.
First class threading on top of everything you could want from real-time chat.
Beautiful messaging.
MARKDOWN OPTIMIZED FOR CHAT
Express your ideas clearly with quote blocks, spoilers, LaTeX/math blocks, polls, global times, and much more.
EMOJI AND EMOJI REACTIONS
Have fun expressing yourself with emoji!
INLINE IMAGE, VIDEO, AND TWEET PREVIEWS
Send a link and we’ll automatically generate a preview; click the preview to see it at full scale.
DRAG-AND-DROP FILE UPLOADS
Drag a file into the compose box and we’ll upload and preview it for you. Sharing and discussing work with team mates has never been easier.
CODE BLOCKS
Discuss code with ease using Markdown code blocks, syntax highlighting, and code playgrounds.
CUSTOMIZABLE AUTOMATIC LINKIFICATION
Customize Zulip’s markup to automatically link back to your issue tracker or GitHub when you type “#1235” or a commit ID.
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Highly configurable notifications.
@-mentions
Stream-wide announcements
Desktop notifications
Audible notifications
Message notification emails
Alert words
Optional weekly digest emails
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Keyboard shortcuts.
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.
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Apps, integrations, and API.
INTEGRATIONS
Get alerts and updates from your favorite services with off-the-shelf integrations for Trac, Nagios, GitHub, Jenkins, and more.
API
Rolling your own integrations—both sending and receiving—is a snap with our simple RESTful API and Python bindings.
MOBILE APPS
Keep up while on the go with Zulip's iOS and Android apps.
DESKTOP APPS
Even better than Zulip on the web, our desktop apps offer native notifications and support for multiple Zulip accounts.
TERMINAL APP
Terminal fans will love Zulip's official terminal client.
And everything else you need…
ENTERPRISE-GRADE SECURITY
Zulip is used by some of the most security-conscious organizations in the world.
POWERFUL FULL-TEXT SEARCH
Search is both snappy and smart, helping you look for text, people, and threads of conversation, with advanced search filters for fine-grained control.
COMPLETE HISTORY
Join a stream and see its history, so even new team members are never out of the loop.
STARRED MESSAGES
Use starred messages as a todo list, or keep track of interesting conversations.
MARK AS UNREAD
Mark messages as unread to return to them later.
STATISTICS
Zulip has a powerful set of analytics available to help you see how your organization communicates.
ONE-ON-ONE AND GROUP PRIVATE CONVERSATIONS
Lightweight private conversations with one or as many people as you need.
TEAM AVAILABILITY
Let others know whether you're around with emoji statuses and availability, or choose “invisible” mode.
PRIVATE STREAMS
Enjoy the benefits of threaded conversations while controlling your audience and privacy.
MUTE USER
Users can mute anyone they'd rather not interact with.
MESSAGE EDITING
Don’t worry, you can always fix that typo, either in the body of message or its topic.
MOVING MESSAGES
Organize conversations by easily moving messages to the right stream and topic.
TYPING NOTIFICATIONS
Know when other users are composing messages to you.
READ RECEIPTS
Check who has read any message, no matter who sent it.
SAVED DRAFTS
Zulip’s drafts make it easy to write longer messages without worrying about losing your work.
CONVERSATIONS THREADED BY TOPIC
Participate in several conversations with the same group at once, without getting lost or overwhelmed.
RESOLVE TOPIC
Mark topics as ✔ completed. A lightweight way to manage support interactions, investigating issues, and more.
CATCH UP IN NO TIME
With topics, hotkeys and snappy performance, usefully reviewing hundreds of messages takes just minutes.
PERMANENT LINKS
Permanently link to a Zulip conversation or a message in context from your issue tracker, emails, documents, or anywhere else.
FULLY INTERNATIONALIZED
The Zulip UI is fully internationalized and has been translated into 23 languages.
VIDEO CALLS
Create and join video calls with a single click. Powered by your choice of Zoom, Jitsi Meet, or BigBlueButton.
FLEXIBLE AUTHENTICATION
Supported authentication providers include LDAP, SAML, OIDC, Google, GitHub, GitLab, Apple, and more.
FLEXIBLE PERMISSIONS
Fine-grained permission settings for administrators and moderators, and custom viewing and posting permissions for streams.
CONVENIENT SUBSCRIPTION MANAGEMENT
Subscribe a group of users to a stream, or copy membership from another stream.
CUSTOMIZABLE INVITATIONS
Configure user role, stream subscriptions and invite expiration time when inviting new users.
DATA IMPORT
Import an existing Slack, Mattermost, Gitter or Rocket.Chat workspace into Zulip.
CUSTOM PROFILE FIELDS
Use Zulip to store directory information, pronouns, birthdays, links to external accounts, or anything else.
GUESTS
Guests cannot access streams unless they are explicitly added. Perfect for partners, vendors, and temporary contractors.
CUSTOM BRANDING
Use your logo instead of Zulip’s in the desktop and web app.
CHAT BRIDGES
Mirror messages between Zulip and Slack, Microsoft Teams, Discord, Matrix, and other tools.
MODERATION
A full suite of tools for moderating open communities.
PUBLIC ACCESS OPTION
Enable transparency by setting streams to be viewable and searchable by anyone on the Internet, without creating an account.
DATA EXPORTS
No vendor lock-in. Export your hosted Zulip to an on-premises installation at any time.
GIPHY INTEGRATION
Enjoy animated GIFs with Zulip's native GIPHY integration.
YOUR FEATURE HERE
Zulip is open source, so if something important for your use case is missing, you can make it happen!