Google Linux Linux specific Google search
freshmeat.net Project announcements, new releases
SourceForge hosts many Open Source projects
rpmfind.net RPM Database
SUNET a vast free software archive

Scientific applications on Linux
LSM Search Page search the Linux software map

ibiblio Linux archive another LSM search
www.tuxfinder.com Linux specific software search
Linux Kernel Mailing List archive

digg.com Collaborative news site
Slashdot News for Nerds, Stuff that matters
Freshmeat Check here for current software releases
LinuxToday Linux news and stories
Heise.de Newsticker computer news (german site)
Linux Security News
Root Prompt -- Nothing but Unix
Kernel Traffic a Linux kernel mailing list digest
NewsForge Open Source News

Linux for beginners
The Linux terminal a beginner's bash
Linux Documentation Project Guides, HOWTOs, FAQs, man pages
LinuxPrinting.org
RFC index Requests for comments, official standards
GNU Software Home everything about GNU software, incl. documentation
CPAN - All about Perl Modules, documentation, code
The GIMP Tutorial Pointers Page has many examples and tutorials
Graphics Muse graphics resources, guides, help, tutorials, tools ...
Linux HOWTO index
Schoolforge.net
Linux For Kids
Linux Performance Tuning
Linux Security Quick Reference Card (PDF)
iptables Tutorial 1.0.6
Virtual domains with pop3d and postfix
Bash reference manual
Working more productively with bash 2
DVD ripping and transcoding

Programming

Writing documentation

Online books

Linux Hardware Database What hardware is supported?
Security Portal helps securing your computer
Pro-Linux.de german Linux portal site
Cetus-links.org has resources for programming languages, database stuff
The LINUX Lab Project

MUTT email client with many features, including GNUPG/PGP support
The GIMP excellent for image manipulation, with many filters
VIM (Vi IMproved), the editor, supports color highlighting, regexp search and replace, scripting language
bogofilter a Bayesian spam filter
VideoLAN - OpenSource video streaming for every OS
ePiX generates nice function plots and figures for inclusion in LaTeX documents
Maxima - A GPL CAS based on DOE-MACSYMA
Open Office open source project derived from StarOffice
Enigmail Mozilla plugin Sign and encrypt your mail with GnuPG
Mouse gestures for Mozilla
XMMS X MultiMedia System
WebMake builds your web site from templates, using Perl
graft helps to keep track of packages installed from source
WWWOFFLE a caching proxy, very useful for dialup connections
Logcheck a log file watcher
TaskJuggler Manage a project's task schedule

Linux distributions

Internet phone

Utilities

The GNU GCC Compiler
GNU Data Display Debugger is a graphical frontend to many debuggers
GTK+ - The GIMP Toolkit is a popular GUI library
GLADE User Interface Builder für gtk+ und Gnome
Bluefish a feature-rich HTML editor, with PHP3 support

Linux Advanced Routing & Traffic Control
A Buffer Overflow Study: Attacks & Defenses
Comprehensive System Accounting (CSA)
Using rsync for backups

Kernel

VNC - Virtual Network Computing allows to work on a remote desktop, even with another OS
Window Maker my favourite WM, fast and clean
KDE Desktop a very advanced (and heavy-weight) WM+Desktop
GNOME desktop based on GTK+, with many applications, drag-n-drop, ...
The Dock App Warehouse dock applications for WindowMaker
Enlightenment a good-looking WM, with many skins
Afterstep a WM that's very configurable
Black Box a small and fast WM, built from scratch
fvwm the standard, still good

Linux Game Tome game updates, releases, ratings
www.LinuxGames.com game news, hints, FAQs
Crossfire addictive real-time graphical online RPG (maps)
Flightgear Flight simulator
Urban Terror a Quake 3 total conversion
Primer's Quake 3 Urban Terror Beta 2.5 Installers for Linux
XRacer a 3D racing simulation (similar to WipeOut)
Links to pages on Doom, Quake, Freeciv and more
Freeciv Civilization II clone

VNC - Virtual Network Computing allows to work on a remote desktop, even with another OS
UAE the Ultimate Amiga Emulator
WINE runs Windows applications on Linux

GNU software at gwdg.de
Mozilla
Mandrake Mirror at ftp.leo.org
Mandrake Cooker

PixiePlus Image Viewer
Cinelerra Audio and video production environment