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Fully integrated with the Webmail 
 Log in directly from your Webmail and jump straight into productive conversations. 
   
 Organize your communications into streams and topics 
 Email-like threads with a subject (or topic) for every message make it easier to follow long conversations. 
                             
   
   
 Customize stream permissions 
 
   
   
 Advanced search options 
   
 
   
 API integration - with Git Hub for example 
   
 
   
 Message formatting 
 Make your message easier to read with markups such as bulleted lists, bold, italics, and much more. 
 Discuss code with Markdown code blocks and syntax highlighting or blocks of text with block quotes. 
 
   
 Enterprise-grade security 
 Zulip is used by some of the most security-conscious organizations in the world.