| VirtualBox | Official VirtualBox website |
| Ian's Software Junkyard | Other random pieces of software by me |
| XQuartz | The XQuartz X11 server for MacOS X |
| MobaXterm | The MobaXterm client for Windows |
| MacPorts | The MacPorts repository. Precompiled open-source software packages for MacOS X |
| OpenCSW | The OpenCSW repository. Precompiled open-source software packages for Solaris and compatibles |
| Strawberry Perl | Strawberry Perl for Windows |