Padloc is a modern, open source password manager for individuals and teams.
Buttercup is a free, open-source and cross-platform password manager. It uses strong industry-standard encryption to protect your passwords and credentials (among other data you store in Buttercup vaults) at rest, within vault files.
Bitwarden is an open source password management solutions for individuals, teams, and business organizations.
Passbolt is an open source password manager that allows team members to store and share credentials securely. For instance, the wifi password of your office, the administrator password of a router or your organisation social media account password, all of them can be secured using passbolt.