Some sites, intended for programmers
- Sourceforge - a great home for a lot of Open Source projects
- Tutorials for programmers in various areas, by Jan Bodnar
Harbour, Clipper
- Harbour Project - Open source Clipper compatible cross platform compiler
- xHarbour - fork off of the Harbour Project
- A number of user made Harbour docs on the docs.google.com
- Russian language Harbour/Clipper forum
- [x]Harbour users group - comp.lang.xharbour
- Clip - yet another Clipper's successor
- FiveTech - home of Fivewin, Harbour's GUI library
- Clipper... Clipper... Clipper
C, C++, C#
Javascript
- An excellent site of Michael Leigeber with a number of useful scripts
- The JavaScript Source - a lot of resources
- A good article about closures
- Yet another article about closures