KeePassXC is a community fork of KeePassX, a native cross-platform port of KeePass Password Safe, with the goal of extending and improving it with new features and bugfixes to provide a feature-rich, fully cross-platform, and modern open-source password manager.

Features:

• Encrypted - The complete database is always encrypted with the industry-standard AES (alias Rijndael) encryption algorithm using a 256 bit key. KeePassXC uses a database format that is compatible with KeePass Password Safe. Your wallet works offline and requires no Internet connection.
• Cross-Platform - KeePassXC is a community fork of KeePassX, the cross-platform port of KeePass for Windows. Every feature works cross-platform and was thoroughly tested on multiple systems to provide users with the same look and feel on every supported operating system. This includes the beloved Auto-Type feature.
• Open Source - The full source code is published under the terms of the GNU General Public License. We see open source as a vital prerequisite for any security-critical software product. For that reason, KeePassXC is and always will be free as in freedom (and in beer). Contributions by everyone are welcome!

What's New:

Version 2.6.3:
Added

• Support Argon2id KDF
• Support XMLv2 key files

Changed

• Improve CSV Import/Export, include time fields and TOTP 
• Support empty area dragging of the application window
• Display default Auto-Type sequence in preview pane
• Remove strict length limit on generated passwords
• Hide key file path by default when unlocking database
• Document browser extension use with Edge in managed mode
• Windows: Prevent clipboard history and cloud sync
• macOS: Update the application icon to Big Sur styling

Fixed

• Re-select previously selected entry on database unlock 
• Properly save special character choice in password generator
• Fix crash in browser integration with multiple similar entries
• Remove offset on username field in classic theme
• Ensure entry history is copied when drag/dropping entries and groups
• Close modal dialogs when database is locked
• Prevent crash when KeeShare modifies an entry that is currently being edited
• Improve preview of entry attributes
• Always activate/focus database open dialog preventing mistype
• Reports: fix calculation of average password length
• Linux: Delay startup on login to correct tray icon issues

Screenshots:

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