W3C HTML Validator
-- http://validator.w3.org/
WDG HTML Validator
-- http://htmlhelp.com/tools/validator/
CSS Validators:
W3C CSS Validator
-- http://jigsaw.w3.org/css-validator/
Further Accessibility Validation:
Bobby
-- http://webxact.watchfire.com/
Cynthia Section 508/WCAG checker
-- http://contentquality.com/
XHTML and CSS Tutorials:
1. http://htmldog.com/
2. http://csszengarden.com/ (Not quite a CSS tutorial, but it works)
3. http://css-discuss.incutio.com/
4. http://w3schools.com/ (recommended for reference only)
5. http://makubesu.ath.cx/tutorial/
6. http://tizag.com/
Apache Help:
1. http://httpd.apache.org/
2. http://autoindex.sourceforge.net/forum/apache.php (justin's guide to installing Apache, PHP, and MySQL)
3. http://apachefriends.org/en/xampp.html
4. http://appservnetwork.com/
5. http://wampserver.com/ (Windows only. Apache, PHP5, and MYSQL)
PHP Tutorials:
1. http://hudzilla.org/phpbook/
2. http://phpfreaks.com/
3. http://tizag.com/
4. http://php.net/ (recommended for reference only)
MySQL:
1. http://mysql.org/
2. http://tizag.com/
Free Webhosting:
1. http://free-webhosts.com/ (large database of free host, categorized and searchable)
2. http://sitesled.com/
Paid Webhosting:
1. http://bihira.com/
2. http://godaddy.com/ (for Domain Names, if you already have hosting)
3. http://telana.com/ (If you need PHP5 and MySQLi)
4. http://joako.net/ (PHP5)
Text Editors, IDEs:
1. http://vim.org/ (VIM)
2. http://jedit.org/ (jEdit)
3. http://gnu.org/software/emacs/emacs.html (Emacs)
4. http://crimsoneditor.com/ (Crimson Editor)
5. http://chami.com/html-kit/ (HTML-Kit, Win32 only)
6. http://tinyurl.com/admel (Working link for Winsyntax)
7. http://scintilla.sourceforge.net/ (Scintilla/SciTE)
Dynamic DNS:
1. http://no-ip.com/
2. http://dyndns.org/
Website colors:
1. http://wellstyled.com/tools/colorscheme2/index-en.html
2. http://colourlovers.com/
3. http://colormixers.com/
4. http://www.colorschemer.com/online.html
5. http://lynda.com/hex.html
6. http://december.com/html/spec/color.html
Layout Help:
1. http://thenoodleincident.com/tutorials/box_lesson/index.html
Taken from: http://boards.gamefaqs.com/gfaqs/genmessag...;topic=21847755