It's OSS and self-hostable. And it's got a great UI and the most joyous technology I've ever had the pleasure of using. https://zulip.com/self-hosting/
> When you self-host Zulip, you get the same software as our Zulip Cloud customers.
> Unlike the competition, you don't pay for SAML authentication, LDAP sync, or advanced roles and permissions. There is no “open core” catch — just freely available world-class software.
The optional pricing plans for self-hosted mention that you are buying email and chat support for SAML and other features, but I don't see where they're charging for access to SAML on self-hosted Zulip.
amarant|5 months ago
That was not very obvious from their landing page!
Well in that case, carry on!
nh2|5 months ago
It says in bold letters:
"Your data is yours!
For ultimate control and compliance, self-host Zulip’s 100% open-source software"
Kirth|5 months ago
coder543|5 months ago
> When you self-host Zulip, you get the same software as our Zulip Cloud customers.
> Unlike the competition, you don't pay for SAML authentication, LDAP sync, or advanced roles and permissions. There is no “open core” catch — just freely available world-class software.
The optional pricing plans for self-hosted mention that you are buying email and chat support for SAML and other features, but I don't see where they're charging for access to SAML on self-hosted Zulip.