"More than 150 people (!!!) contributed commits to this release, bringing the Zulip server to 307 distinct code contributors. In 2017, Zulip has had, by a wide margin, the most active open-source development community of any group chat software."

Zulip is an amazing open source community to work with. The community puts in a lot of effort and thought to welcoming new contributors and keeping it easy, fun, and productive to contribute.