StateMgr

bash-statemgr is a Bash module that provides an easy way to create your own custom scripts to manage states. It can be used to quickly switch xrandr screen layouts for different locations (e.g. dual monitors at home), change feh desktop backgrounds, configure alsaequal equalizer levels for different audio setups (e.g. headphones or stereo, music or movie).

The package also includes a script named obstatemgr that generates Openbox pipe menus for these custom scripts:

You will find StateMgr-based scripts (linked) on the project page.

Beautify-CSS

beautify-css is a command-line CSS stream parser written in Haskell. It will output CSS with uniform whitespace and sorted selectors and declarations.