I keep a few things on GitHub.
The most notable repository is that of my CRUX ports. Many of them were written by me, others were adapted from existing ports. There are also some that were shamelessly stolen and put here so I have a single place for all. It just makes it more simple to have a unified place of “cherry picked” ports, rather a bunch of repos with overlapping entries. Ports are divided in the following categories:
custom: main collection of programs and libraries
locked: ports I really need to keep locked at indicated version
p5: perl modules, generated mainly by cpan2crux
scientific: academic programs for biologists and chemists
xfce_4.12: I like to have a GTK2 desktop, so here it is