Caution, this list is rarely updated.
webcomics
xkcd
smbc
c&h
pbf
dilbert
software-related
suckless
cat-v
plan 9
plan9port
arch linux
r/programming
applications
cygwin (POSIX emulation on MS-Windows)
7zip (file archiver)
qemu (emulator/virtualizer)
sumatra
(small PDF reader for MS-Windows)