These sites have Apple II news, information, links, message boards, classified ads, etc. Some of them have files to download.

1000BiT - http://www.1000bit.net
This site has a large collection of manuals, advertisements, brochures, and other information on 8-bit computers, including the Apple II. Available in English and Italian.

A2 Central (Sean Fahey) - http://www.a2central.com/
A2Central is a valuable resource for all Apple II users and Apple II emulation enthusiasts. Operation of the site has transferred from Eric Shepherd to Sean Fahey, who has announced that development efforts are underway to make significant additions to the services offered. They will be expanding the free services by implementing a bulletin board system that will offer chat, messaging, and file sections in addition to the news, reviews, system software, utilities, and other content that is available. A2 Central is also home to the Lost Classics Project, which works to get commercial Apple II software reclassified as freeware.

A2THINGS (Jorge Chamorro Bieling) - http://homepage.mac.com/jorgechamorro/a2things/
Information on Jorge's Apple II VGA video card project, converting a //c+ power supply for use with 240 volts, and scans of books & manuals.

A2Unplugged (Ryan Suenaga ) - http://www.a2unplugged.com/wordpress/
A2Unplugged is the world’s first Apple II Podcast, hosted by long-time Apple II writer, editor, and programmer Ryan Suenaga.

A2-Web - http://www.wbwip.com/a2web/
Billing itself as "The Mother of All Apple II Web Sites," this large site is loaded with links to and information on Apple II hardware, software, and vendor sites, emulators, message boards, classified ads, faqs, and more. A2-Web is also home to the Apple II WebRing.

Aaron Heiss's Home Page - http://web.pdx.edu/~heiss/ This site includes an Introduction to the Apple II, Software by Aaron, Assembly Language Resources, and the complete set of Apple Technotes and Filetype Notes in HTML and Apple II-formats.

Aaron Pulver's Apple II Page - http://www.weygants.net/~apulver/apple2.html
Information on books about the Apple II, photos of hardware, and IIgs software written by Aaron available for downloading.

alfter.us (Scott Alfter) - http://alfter.us/computers.shtml
This site contains a complete archive of the Apple Assembly Line newsletter, and software that Scott has written for the //e and IIgs and released under the GPL.

Apple2.org (Tony Diaz) - http://www.apple2.org/
A site full of Apple II information, FAQs, history, pictures of Apple II related hardware, and more. Home to the Marinetti Open Source Project, a TCP/IP stack for the Apple IIgs.

Apple2Guide.net Wiki  (Gabriel Morales) - http://Apple2Guide.net
The Apple II Beginner's Guide has been converted to a Wiki, where anybody can add and edit information. The beginner's information is still there, as well as information on emulators and Apple II software & hardware.

Apple2Info.Net (Dave Touvell) - http://www.apple2info.net
The new home of the "Working Apple II Links" pages, this new site will highlight various pieces of Apple II hardware and software. It's still in the very early stages of development, but has manuals and software for the Magnum 80 video card, RV-611 and ProGrappler parallel printer interfaces, TransWarp GS, and WildCard copy card.

Apple II Expansion Card Photo Gallery (Brian Davis) - http://apple2.cometdust.ca/a2_cards/
Photos of nearly 200 expansion cards for the Apple II.

Apple 2 Stuff (Paul Shlyter) - http://www.stjarnhimlen.se/apple2/dsk.html
Collection of Apple II assembly language information. Includes S-C Assembler disks, manuals and source code, along with the 'Apple Asembly Lines' newsletter archive.

Applefritter (Tom Owad) - http://www.applefritter.com/
Nice site with information and pictures of Apple II computers, clones, and peripherals, as well as discussion forums. There are also sections of the site devoted to the Apple I and vintage Macs.

Apple II Clones - http://www.apple2clones.com/
Lots of information about Apple 2 Clones, including photos, disk images, documentation, tips & tricks, and a forum.

Apple II Computers on the Net (Vincent Hancock) - http://home.southwind.net/~vhancock/Apple/
Links to various Apple II stuff on the net.

Apple II FAQs - http://www.faqs.org/faqs/apple2/
A collection of FAQs dealing with the Apple II.

Apple IIgs Links (Mike McGovern) - http://www.frii.com/~mcgovern/apple.html
A large list of Apple II related links. Last updated in 2001.

Apple II Sound and Music Resources (Simon Williams) - http://apple2.luddite.ca/
Home to Timelord, a drum machine/sequencer, as well as support files for several Apple II sound and speech cards.

Apple II WWW Resources (Marek Kozubal) - http://www.portents.com/marek/apple.html
A site listing lots of links to Apple II related WWW, FTP, and Gopher sites. Many of these links are dead, but some still work.

Apple Vault (Kevin Greene) - http://www.applevault.com
Home of the Apple Documentation Preservation Project, a growing archive of Apple II hardware and software documentation. Also home of the AppleVault Wiki.

Articles and Free Software Reviews (Gareth Jones) - http://modena.intergate.ca/personal/gslj/lessonindex.html
Reviews and links to free programs for the Apple II and IIgs.

The BoycoT Web Site (Terry Olsen) -  http://fire.prohosting.com/tolsen64/
The BoycoT BBS was a telnet BBS that ran on a real Apple IIgs hooked up to a Windows box using a BBS gateway program written by the sysop, Terry Olsen. The BBS is down for the time being, but the gateway software, a diagram of the cable used to connect the machines, and documentation for the METAL BBS  in Word format are available for downloading here.

Bruce Baker's Home Page - http://www.hal-pc.org/~bbaker/
Has links to pictures from several Kfest's.

Chris, Mark, & Terry's Apple ][ Home Page (Chris Duke, Mark Fischer, Terry McCurdy) - http://apple.duke.net/
Three guy's tribute to the Apple II. Links to websites, software, and newsgroups. Some history of Apple II cracking. Note: I've received reports of problems loading this page with some browsers. If you're having trouble, try http://apple.duke.net/main.html, which bypasses the cool "Apple ][ boot" intro screens.

8-Bit Sound and Fury (Simon Williams) - http://8bitsoundandfury.no-ip.info/
Possibly the only place on the internet devoted exclusively creating music on the 8-bit Apple II computers. Lots of information and downloads for making music on 8-bit Apple II's including sofware, hardware, documentation, and audio files.

FPGApple (Alex Freed) - http://www.mirrow.com/FPGApple/
Information on the FPGApple, Alex Freed's Apple II clone on an FPGA board. Alex has also created an Apple ][ "Pseudo-Disk" card that not only lets you use an MMC/SD card as a ProDOS drive, but also emulates a Disk II interface to support DOS 3.3 and self-booting software at the hardware level.

Geoff's Home Page (Geoff W) - http://www.gwlink.net/geoff/
Has some freeware written by Geoff for the Apple II, and a few links.  Instructions for making modern web browsers running on UNIX, PC, and Mac systems aware of the Apple II file types are on his Web Browser Download Modification Page for Apple II.

GS World View (Charles T. 'Dr. Tom' Turley) - http://www.apple2.org.za/gswv/a2zine/
"The Online Journal of Apple II Computing." An e-zine with lots of IIgs information and a large file archive.

Hardware Pages - http://rich12345.tripod.com/
Lots of hardware information, scans of cards, drivers, more.

II Computing (Rubywand) - http://home.swbell.net/rubywand/
Lots of up to date Apple II information and links. Home of the HTML version of the Apple II FAQ.

Jeff Robertson's Apple II Page - http://www.ncf.carleton.ca/~ds876/apple.html
A page of annotated Apple II links. Last updated in 1998, but still some useful information.

KansasFest Information Page - http://kfest.org/
Information on KansasFest, the yearly gathering of Apple II enthusiasts in Kansas City.

Keppel's Klassics (Mike Keppel) - http://www10.brinkster.com/klassics/
Information on several Apple II models, as well as many other classic computers.

Knut Roll-Lund's Apple 2 Page - http://home.online.no/~kr-lund/apple2.htm
Information on Knut's Apple II and how to build his Apple IIe RGB to CGA interface.

Landsnail.com (Andy Molloy) - http://www.landsnail.com/
Here's where you'll find an on-line Apple II Programmer's Reference, a brief list of Applesoft, Integer Basic, DOS 3.3, and ProDOS commands with descriptions. Andy also has an Apple Computer Reading List, giving information on books covering the history Apple Computer.

Livejournal Apple II Community - http://www.livejournal.com/community/apple_ii/
A community for fans of the Apple ][.

LJSilicon's Treasure Chest (Rudy Guy) - http://hometown.aol.com/ljsilicon/
Apple II TechNotes, HyperCard/HyperStudio stacks and software written by Rudy Guy, and other information.

Michael J Mahon's Home Page - http://members.aol.com/MJMahon/
Information on the NadaNet/AppleCrate Project, which has 8 Apple II computers networked for parallel computing through the built-in serial I/O ports . You can also download Michael's Sound Editor 2.2, which achieves excellent sound quality on 8-bit Apple II's.

Mike Willegal's Apple II Pages - http://www.willegal.net/appleii/appleii-first_page.htm
Mike has developed a camera shutter tester add-on card for the Apple II series of computers, and has posted both the schematics and software online. There are also some notes on restoring Apple II's.

Neil Parker's Apple II Page - http://axis.llx.com/~nparker/a2/
Apple II hardware and software information.

Network From Heck - http://tinyurl.com/ckmza or http://homepage.mac.com/WebObjects/FileSharing.woa/wa/default?user=pilgrimer&fpath=htmls:nfh&templatefn=FileSharing1.html
Adventures in networking Apple IIs, Macs, and PCs and other writings from Pilgrimer.

Nitrozone 5 Apple II Collection - http://www.turbo-2.com/apple/
Information and photos of some Apple II hardware and downloads of some programs and manuals.

Novation Apple-Cat ][ - http://www.jammed.com/~jwa/Machines/cat/
Information on the Novation Apple-Cat ][ modem and a large library of programs written to take advantage of it.

Stephane's Apple II IDE Interface Project (Stephane Guillard) - http://s.guillard.free.fr/Apple2IDE/Apple2IDE.htm
Details of an IDE hard drive interface for the Apple II. Appears to be last updated in 2001.

Syndicomm Online (Eric Shepherd) - http://www.syndicomm.com/
A pay on-line service with a large Apple II enthusiast following, reminicsent of the old GEnie or Delphi forums. The A2 online forum includes a bulletin board, chat room, and an extensive Apple II file library. This service is accessible both over the web and through telnet from any internet-ready device, including PDAs and Apple IIs with an internet connection. Membership also includes an email address and personal web site.

TelBBS (Jeff Ledger) - http://www.orrville.net/telbbs/
This site is dedicated to bringing back 80's style BBS systems running on 8-bit machines using the Internet. While not specific to the Apple II, there is information on setting up Apple II BBS's here.

Terence J. Boldt's Apple II Site - http://apple2.boldt.ca/
On this site you will find information about Terence's ProDOS ROM Drive project, and other Apple II hardware and software projects and Tech Notes.

Terry Allen's Home of the Apple II - http://apple2.callapple.org
Apple II manual and magazine reprints, The boycott BBS, and some other information.

Vectronic's Apple World - http://homepage.mac.com/vectronic/home.html
While not exclusively Apple II, this site has quite a bit of Apple II information, history, and articles.

VintageWare (formerly Roger's Apple II Site) (Roger Johnstone) - http://vintageware.orcon.net.nz
Various Apple II information. How to make a IIgs RGB to SCART video cable, IIc monitor manual on-line, software by Roger and others. Information on the ALS CP/M card. Roger has also recently developed an adapter for connecting a modern PS/2 mouse to the Apple II or older Macintosh.

Wikipedia - http://en.wikipedia.org/wiki/Apple_II
This free online encyclopedia has a growing Apple II section.

Working Apple II Links (Dave Touvell) - http://links.apple2info.net
A link to this site, which is now a part of the new Apple2Info.Net.