| Linux Magazin | Aktuelle online Nachrichten zu Linux Themen |
| Linux on Laptops | Reports and resources for running Linux on a notebook or laptop computer |
| beryl | Beryl is an OpenGL accelerated desktop that seeks to provide a free, open source desktop. |
| Linux Foundation | Nonprofit consortium promoting, protecting and standardizing Linux by providing unified resources and services |
| Instalinux | Linux System Builder which allows to choose from a bunch of different distributions to create a small ISO image. |
| mobile internet linux project | Project to support the developement of Mobile Internet Devices running with Linux. |
| Canonical | Open source engineering and support company. Especially known for developing the Ubuntu Linux System. |
| Linus Blog | Personal Blog of Linus Torvald the initiator of the Linux computer system. |
| KDE looks | Wallpapers, icons, fonts, themes and other eye candy for the KDE desktop |
| Mark Shuttleworth Blog | Blog of Mark Shuttleworth the founder of the Ubuntu Linux project |
| LWN | Information from the development community in a concise, well-written, and objective manner |
| OpenBSD | Free multi-platform 4.4BSD-based UNIX-like operating system with open source code which concentrates on security. |
| Partimage | Partition Image is a Linux/UNIX utility which saves partitions to an image file. |
| WINE | Open Source implementation of the Windows API for Linux and Unix. |
| FreeBSD | Operating system for x86 compatible ,amd64 compatible, Alpha/AXP, IA-64, PC-98 and UltraSPARC architectures. |
| FreeBSD Foundation | Platform supporting the FreeBSD operating system. |
| NoMachine NX | Terminal Server for Linux and Unix |
| OS Tutorials | Collection of tutorials for using and administrating Computer Operating Systems like Linux, Windows, DOS, OS2 or Mac OS. |
| UK Unix & OpenSystemsUserGroup | Non-profit organization and technical forum for theadvocacy of open systems, particularly Unix-like operating systems |
| VideoLAN | Free Software and Open Source video streaming solution for every OS |
| LogMeIn | Connects two or more computers via Internet into their own virtual network for direct secure communication. Free. |
| NetAdmin Tools | Resource for Network and Server administrators with articles and helpful links. |
| Nagios | Open source host, service and network monitoring program for free download |
| Nagios Addons | Nagios Repository for plugins to extend monitoring capabilities and addons, that introduce new features |
| Zeroconf | Documents about Zero Configuration Networking |