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Add to SafariWhen comparing BBM Blackberry Messenger vs Zulip, the Slant community recommends Zulip for most people. In the question“What are the best Skype alternatives?” Zulip is ranked 20th while BBM Blackberry Messenger is ranked 30th. The most important reason people chose Zulip is:
Instead of rooms or channels Zulip is built around topics. This allows you to have multiple conversations at the same time without conversations interfering with each another. It also allows you to reference conversations without clutter.
Specs
Question Ranking
Pros
Pro Feature rich
Video, voice, chat, file sharing, screen sharing and glympse enabled,
Pro Privacy oriented
End to end encryption.
Pro Helps keep track of different conversations
Instead of rooms or channels Zulip is built around topics. This allows you to have multiple conversations at the same time without conversations interfering with each another. It also allows you to reference conversations without clutter.
Pro Free and open source software
Zulip is free and open source under the Apache 2.0 license.
Pro Easy asynchronous conversations
Its threaded model helps people working in different timezone's communicate effectively.
Pro Apps for every platform
Pro Hosted or on-premise
With data export tools so you can migrate.
Pro Intuitive interface
I struggled with Slack, never finding the settings I like to adjust. With Zulip never had such issues.
Cons
Con Video is Blackberry only
BBM video is only available on BBOS 10 or the Blackberry Playbook.
Con No End-to-End Encryption
Not even for private one-to-one messages, let along group chats.
Con Takes some getting used to
As most chat software uses the concept of channels or rooms, getting in the habit of splitting each topic off in a separate category can require some getting used to and discipline.
