This is a collection of useful information pertaining to Linux, GNU, Perl, Unix, and similar topics.

• The Free Software Foundation and the GNU Project
• The official Linux Kernel archives, at Transmeta (also with mirrors of sunsite, prep, tsx-11, redhat.com, xfree86.org, x.org, mklinux, debian.org, and cesdis). If you're using anything earlier than 2.0.32 or 2.1.63, you should really get patches here.
• perl.com, the primary site for Perl information
• The Cathedral and the Bazaar . A piece of writing by Eric S. Raymond (editor of the Jargon File) discussing the advantages of Linux's method of development.
• The Perl Journal (check out their Obfuscated Perl contests!)
• Linux v2 Information Headquarters (including many unofficial kernel patches)
• Wine Development HQ. Wine Is Not an Emulator---it is a free reimplementation of the Windows and Win32 APIs.
• The DUMB Home Page. DUMB is a free Doom-compatible 3-D game engine.
• The ultimate list of X Window Managers.
• Linux Gazette
• Red Hat Software, makers of one of the most popular Linux distributions (I use Redhat myself)
• JOLT (Java Open Language Toolkit, a project to develop a free Java implementation; guavac, kaffe, and kaffe-bissawt are all part of JOLT)
• Caldera, makers of OpenDOS, OpenLinux, and Wabi for Linux
• Linux Kernel Hacker's Guide (KHG)
• The Linux Documentation Project
• linux.org
• Linux Now
• The Mnemonic Browser Project
• Linux International
• The Linux Game Tome
• ftp: SunSITE USA (very busy: try a mirror instead)
• ftp: The primary GNU site, at prep.ai.mit.edu
• ftp: tsx-11 at MIT
• ftp: linux.org
• ftp: Linux at funet (in Finland)