Hall vs RocketChat vs Zulip

Pros of Hall

• 4

  Free
• 3

  Github integration
• 3

  Bitbucket integration
• 3

  Apps for many platforms
• 3

  Heroku integration

Pros of RocketChat

• 72

  Open source
• 38

  Can be deployed on premise
• 32

  Byos (bring your own server)
• 30

  Faster than Slack
• 21

  Mobile app for iphone, ipad, and ipod touch
• 19

  Built using meteor
• 19

  Desktop client for mac and windows
• 13

  Easily deployed on Cloud Services (Heroku, etc)
• 10

  Screen Sharing
• 9

  Video and audio
• 9

  Excellent support & service, bar-none
• 6

  Web client
• 5

  Amazing product, fast moving development, and BYOS
• 5

  Multiple Security integrations - LDAP etc
• 5

  Docker Image for easy setup
• 5

  Open source
• 5

  Mobile app for android phone, tablet, and tv stick
• 4

  Datacontrol
• 4

  Great development team
• 4

  Free
• 2

  Love it - running on R Pi 2
• 2

  Open source server
• 1

  Broadcast & Readonly channels
• 1

  Slack bridge
• 1

  Linux Client Support
• 1

  Flexible Integrations
• 1

  Ldap integration
• 0

  Threading model

Pros of Zulip

• 65

  Open source
• 48

  Great Community
• 40

  Extensive developer documentation
• 38

  Powered by Python
• 34

  Clean & Smooth UI
• 26

  Full text search
• 25

  Dozens of integrations
• 25

  Threading model
• 21

  On-premise deployment
• 16

  Fully internationalized
• 12

  Cross-platform (Windows, macOS, Linux, iOS, Android)
• 5

  Its very good forsearching and chatting with topics
• 3

  Awesome open source alternative to Slack
• 3

  Runs very well
• 2

  Very Nice
• 1

  Mobile Push Notification
• 1

  LDAP Integration

Cons of Hall

Cons of RocketChat

• 1

  No full markdown support
• 1

  Mobile app in Enterprise version only
• 1

  Many basic features require plugins
• 1

  Visioconference support is external
• 1

  No screen recorder
• 1

  Few options for user customization
• 1

  Limited message history on SaaS
• 1

  Poor user customization
• 1

  Hard to upgrade
• 1

  Not as well-known as others like it

Cons of Zulip

• 1

  Integration with most of well known services
• 0

  The interface require a lot of overhaul