This package lets you enumerate architectures that your kernel can run. The check is for the ability to run machine code and supporting appropriate syscall ABI -- you may need to install userland libraries in a chroot, container or via multiarch to actually execute non-static binaries of such architectures.

GNU Recutils is a set of tools and libraries to access human-editable, text-based databases called recfiles.

A pager tool for the Blackbox window manager or one of its derivatives. It supports the usual Blackbox styles, moving windows between desktops, and optional placement in the Blackbox slit. It is also possible to define how the desktops are displayed by defining the number of rows or columns to use.

Dirdiff can handle up to 5 trees. It displays a main window with a list of the files which are different between the trees, with colored squares to indicate the relative ages of the versions. A menu allows you to display the differences between any two of the versions in another window. Another menu allows you to copy the file from one tree to another.