The pass password manager (http://www.passwordstore.org) is a password manager that aims to use primarily existing unix tools such as GPG and git to store and sync passwords. What attracted me to pass is that I want my passwords to sync between my phone and my computer, and I want that syncing to be free (I have used LastPass for a while, but have just been opening the mobile website whenever I needed a password—not a great solution). Pass offers that, with a standard format usable by an Android app and an iOS app.
Pass has a quite good user interface for a command-line tool, including a