| www.freedos.org | Free DOS implementation |
| reactos.org | Free Windows NT replacement |
| freebasic.net | Programming language & compiler |
| www.rinkworks.com/stupid | Collection of funny computer-related stories |
| www.rinkworks.com/said | Collection of funny things people said |
| www.minetest.net | Free voxel game engine |
| en.wikipedia.org | Free on-line encyclopedia making use of hyperlinks |
| www.telnetbbsguide.com | Bulleting board system directory |
| www.winsite.com | Software directory |
| repo.or.cz | Minimalist Git hosting services |
| www.notabug.org | Free Git hosting |
| www.bloodshed.net | Free programming tools for C and C++ |