upm is a free open source offline password manager, which helps you to manage your passwords, You can store all your passwords in one database, which is locked with a master key so you only have to remember one single master key to unlock the whole database
Installation guide for upm (uwu password manager)
$ git clone https://github.com/upm-pass/upm.gitcd project directory
$ cd upm/to install upm run
$ ./install.shAfter that run upm from your terminal
$ upm --help