libbtf1.2.1

permutation to block triangular form library for sparse matrices

libcolamd2.9.1

column approximate minimum degree ordering library for sparse matrices

libkf5akonadicalendar5

library providing calendar helpers for Akonadi items

libcholmod3.0.6

sparse Cholesky factorization library for sparse matrices

libppx-optcomp-ocaml

optional compilation for OCaml (runtime files)

ppx_optcomp stands for Optional Compilation. It is a tool used to handle optional compilations of pieces of code depending of the word size, the version of the compiler, ...

dbus-bin

simple interprocess messaging system (command line utilities)

D-Bus is a message bus, used for sending messages between applications. Conceptually, it fits somewhere in between raw sockets and CORBA in terms of complexity.