Zulip vs. Trillian

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.

Trillian is a powerful business and clinical communication platform used by companies and healthcare systems of all sizes. Whether you're a business still relying on texting or a healthcare organization that needs HIPAA-compliant secure messaging, Trillian's modern and secure business instant messaging will help modernize employee communication without compromising on security or control. Chat privately or in group chats, share files and images, and leverage status and presence features so co-workers know when you're available.