oobash is an oo-style framework for bash 4 written in bash. It provides tools for rapid script development and huge libraries.
Repo Manager is a repository manager for ArchLinux that can add/remove/list packages, update package lists, and more. It makes repetitive administrative tasks less complex, generally doable using a single command line.
The sar, sadf, iostat, mpstat, pidstat, nfsiostat and cifsiostat commands for Linux.
A file transfer client.