1. [Home](https://www.g2.com/) 2. ... 3. [Business Instant Messaging Software](https://www.g2.com/categories/business-instant-messaging) 4. [Zulip Discussions](https://www.g2.com/products/zulip/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_c87857c5a6bdc28845dfbd7b67b264fc/zulip.png "Product Avatar Image") ](/products/zulip/reviews) [ Zulip ](/products/zulip/reviews) (117)4.6/5 Zulip is an organized team chat application for distributed teams. Zulip’s 100% open-source software is available as a cloud service or a self-hosted solution. With conversations organized by topic, Zulip is ideal for both live and asynchronous communication Zulip serves startups, and small and mid-sized businesses, as well as communities with up to tens of thousands of members. It’s used by thousands of organizations around the world. Developed as an open-source project since 2015, Zulip is stewarded and financially supported by a values-driven company designed for long-term sustainable development. Show More * * * ### 74.0 Nps Score Already have Zulip? ### All Zulip Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • over 3 years ago More Options - [ # What is Zulip written in? ](/discussions/what-is-zulip-written-in) What is Zulip written in? [ Business Instant Messaging Software ](https://www.g2.com/tags/business-instant-messaging-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.&title=Zulip+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Zulip+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Zulip+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss%0aAsk+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Zulip+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss%0aAsk+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • over 3 years ago More Options - [ # Is Zulip open source? ](/discussions/is-zulip-open-source) Is Zulip open source? [ Business Instant Messaging Software ](https://www.g2.com/tags/business-instant-messaging-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.&title=Zulip+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Zulip+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Zulip+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss%0aAsk+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Zulip+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss%0aAsk+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • almost 4 years ago More Options - [ # Does Zulip have an app? ](/discussions/does-zulip-have-an-app) Does Zulip have an app? [ Business Instant Messaging Software ](https://www.g2.com/tags/business-instant-messaging-software) * * * \<0\>0\>Upvotes * * * 1 Comment [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.&title=Zulip+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Zulip+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Zulip+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss%0aAsk+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Zulip+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss%0aAsk+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • about 4 years ago More Options - [ # Is Zulip better than slack? ](/discussions/is-zulip-better-than-slack) Is Zulip better than slack? [ Business Instant Messaging Software ](https://www.g2.com/tags/business-instant-messaging-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.&title=Zulip+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Zulip+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Zulip+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss%0aAsk+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Zulip+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss%0aAsk+Zulip+questions+and+get+answers+from+expert+users+in+our+Zulip+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ## Start a New Software Discussion Have a software question? Get answers from real users and experts [Start A Discussion](/products/zulip/discussions/new) * * * ![Product Avatar Image](https://images.g2crowd.com/uploads/product/hd_favicon/140e619c1a2ef6a693eba5b8257ca5d3/zulip.svg "Product Avatar Image") ### Have you used Zulip before? Answer a few questions to help the Zulip community [ Yes ](javascript:void(0))[ Yes ](https://www.g2.com/authorize?form=signup&return_to=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fzulip%2Fdiscuss%3Fsmall_ask%3Dzulip) No ## Top Contributors in Zulip 1 ![Kuvam M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Kuvam M.") KM Loading... ### [Kuvam M.](https://www.g2.com/users/c3225c62-7d22-4fae-a6fb-1d46804c790d "Kuvam M.") Vice President 1 pt