Fork of KeePassX that is actively maintained.
Ranked in these QuestionsQuestion Ranking
Pro It is free and open source
Pro Active development
Pro Improves upon KeePassX
Pro Passphrase generator
Pro Cross platform autotype
Pro New secure browser integration plugins
Pro Good UI
Pro Support for time-based one-time passwords (TOTP)
Pro Support for adding/removing SSH keys in system key agent
Pro Stores passwords locally instead of in the cloud
Don't trust anyone.
Pro Import and export to different file formats
Pro Available web browser extension (keepassxc-browser)
Pro Easy to use
It has a really clean looking design, unlike Keepass. Makes it really friendly to get into.
Pro YubiKey challenge-response support
Pro File attachments and custom attributes
Pro Portable, Tails and Whonix come loaded with it too
The preferred choice of Qubes users as well. Long story short, it's no coincidence that every one of the Linux distros renowned for it's security and anonymity features comes standard with a massive neon, blinking arrow pointing right at this full-featured, OSS, cross-platform password manager. The Slant community even lauds it as the category's second-only to what is essentially a command-line tool with a title someone could have picked out of a random spoonful of alphabet soup. Approved for Ages 8-78!
Pro KeeShare shared databases (import, export, and synchronize)
Pro Database reports (password health, HIBP, and statistics)
Con Qt dependency hell
Con Browser plugin is sometimes buggy connecting to KeePassXC and doesn't always work on the first attempt
Restarting the Browser or restarting KeePassXC fixes the integration.
Con Dark theme on macOS needs some work
The tabs for multiple databases and about menus are unreadable in dark mode on macOS.