Marker is a command palette for the terminal. It lets you bookmark commands (or commands templates) and easily retreive them with the help of a real-time fuzzy matcher.
Mycli is a command line interface for MySQL, MariaDB, and Percona with auto-completion and syntax highlighting.
a pipeable JSON parser written in Bash
A command line interface for 1Password
automatically detects problems with sh/bash scripts and commands.
a simple password manager
jq is a lightweight and flexible command-line JSON processor.