Apple
9/30/11 Gil's LotD: ResExcellence
http://www.resexcellence.com/ The long-defunct Mac website ResExcellence has returned with its old content. Back in the day this site had all kinds of information about the workings of Macintosh systems and I personally learned quite a bit from it in grade school and junior high. It certainly set me on the path that led me to learning everything I know about software.
9/22/11 Gil's LotD: DHCP performance
http://cafbit.com/entry/rapid_dhcp_or_how_do An investigation into how Apple systems get a DHCP lease so quickly.
8/26/11 Gil's LotD: Software creation
http://www.panic.com/extras/audionstory/ The story of a has-been mp3 player for the Mac.
8/2/11 Gil's LotD: TenFourFox
http://www.floodgap.com/software/tenfourfox/ Firefox 4.0 has abandoned the PPC platform but some volunteers have ported it back.
7/31/11 Gil's LotD: Apple II
http://home.comcast.net/~mjmahon/AppleCrateII.html Someone's wired a bunch of Apple IIs together to get them to work together in parallel.
7/5/11 Gil's LotD: Fonts
http://www.kreativekorp.com/software/fonts/urbanrenewal.shtml A free reproduction of the really old Mac bitmap fonts.
6/11/11 Gil's LotD: Apple
http://en.wikipedia.org/wiki/Apple_typography The typefaces Apple Computer has used throughout its history.
4/12/11 Gil's LotD: Text rendering
http://code.google.com/p/gdipp/ gdipp reimplements the Windows text renderer to give it Mac-like anti-aliasing.
1/14/11 Gil's LotD: Pashua
http://www.bluem.net/en/mac/pashua/ Pashua is a simple way to create native MacOS X GUIs for various languages.