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.