BASIC
FutureBASIC, METAL BASIC, RealBasic, True BASIC, Visual MacStandardBasic, Chipmunk BASIC, FutureBASIC, METAL BASIC, Omikron Basic, REALbasic, TNT Basic, True BASIC, VIP BASIC
Card-Based
Alternatives to HyperCard, HyperCard and SuperCard in the Primary Classroom, LittleFish Extras, Rinaldi XCMD Collection
HyperCard
A Universe In a Jar, Apple HyperCard, European HyperCard User Group (eHUG), FreeCard, HyperActive Software, HyperActive Software/HC Virus Definitions, HyperCard Club, HyperCard Club's Site, HyperCard FAQ - Addendum, HyperCard Gamers Group
Java
Apple's MRJ, Java for Macintosh FAQ, Javascript to Java Communication Workarounds, Macintosh Java Bugs, MacJava, MacJikes, Metrowerks CodeWarrior for Java, NetBeans IDE, Simplicity for Java
Perl
Bandley3 Software, MacPerl FAQ (CPAN Utrecht), MacPerl Module Porters, Pudge's Pad: MacPerl, The MacPerl Pages
Python
"Works-for-me" Mac OS X stuff, Corran Webster's Python Pages, fgranger's MacPython, Go Tools: Macintosh Python Notes, Jack Jansen's MacPython page, Just's Python Page, Macintosh Library Modules, MacPython and Gnuplot under MacOS X, MacPython stuff, PyObjC
Scripting
AppleScript, Everything CD for Macintosh Scripting: Resources, Mac OS X and Unix Tips and Tricks, ScriptWeb
SuperCard
MacCentral: SuperCard 3.6 has 'changes under , ModuloPI, Solutions Etcetera, SuperCard, SuperCard Embassy, SuperCard FAQ, SuperCard Launchpad, SuperCard Resource, SuperCard Web Ring, SuperCard: Carl Manaster