List of free password-manager stuff for developerππ½
If you're looking for all programming tools around password-manager (not just free). Check this page List of password-manager Programming Tools

Bitwarden
Bitwarden, the open source password manager, makes it easy to generate and store unique passwords for any browser or device. Create your free account on the platform with end-to-end encryption and flexible integration options for you or your business.
Tag: password-manager
2 users

Dashlane
Live a safer, simpler life online with Dashlane: Store and fill in all your passwords, personal information, and payments.
Tag: password-manager
Up to 50 passwords 1 device

Psono
Psono is an open source password manager for teams to store and share passwords encrypted. You can host it on premise or user psono.pw for free. The password manager supports Mac, Windows, Linux, iOS and Android. Even the enterprise edition with all features is free for up to 10 users!
Tag: password-manager
https://psono.pw (free hosted version) Community Edition (completely free) Enterprise Edition (free up to 10 ppl)