Passbolt: Self hostable, open source, password manager for teams
Pros  - free open source
  - group management can be delegated
  - works fine with mac, linux & windows browsers
  - maintenance free self hosted on k8s for 2 years
  - lack of mobile apps has not been issue
  - UX is ok, no complaints
  - requires little end-user support
Cons  - only password field is encrypted
  - no warning that Notes are not encrypted 
  - promises ‘Secure files & notes (Coming soon)’
    for more than year
  - password generator has no complexity options
  - requires browser plugin
  - user passwords have no minimum entropy requirements
  - no helm chart, used our own

Experience based on free version with ~75 users. Plan to switch to paid version when Secure files & notes become available.Noticed that former lead developer https://github.com/markstory now works on Sentry. Sentry has same list of Pros as above: it ’just works’ without maintenance or support, running self hosted on k8s for free.