Only usable on Arch Linux.
This shell script displays packages in your system.
./showpacDisplays packages not in groups base and base-devel
./showpac --description
./showpac -DDisplays packages not in groups base and base-devel with description
./showpac --all
./showpac -ADisplay all packages in your system
It uses pacman to retrieve your packages installed and awk to filter them.