KeePassX is a discontinued free and open-source password manager.

It started as a Linux port of KeePass,[3] which was at that time an open-source but Windows-only password manager.

Both are now cross platform, with KeePassX using Qt libraries and recent versions of KeePass using .NET / Mono.

It is built using version 5 of the Qt toolkit, making it a multi-platform application, which can be run on Linux, Windows, and macOS.

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