The Ultimate List of Fonts on the Internet

First up you may need to know how to install the fonts once you have them so the following two links should help you out.
How to install fonts into Windows 95/98 & XP
Installing Mac OS fonts


Please let me know if there are any dead links or if you find any fonts sites not on this list and I will update it.

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Pirate Fonts
Sarcastic Font
23 Eye-Catchy Cartoon And Comic Fonts For Free Download
100.000+ Free Fonts Mega Compilation
David Occhino Typeface Collection - Movie, Art Deco, Safari, Star Wars, Indiana Jones, Back to the Future, Disney and Batman Fonts
ABCWebWorx - Free TrueType fonts, font editors and managers, scripts and other webmaster resources.
Blue Vinyl Free Fonts
BT Graphix Fonts
Caffeen Fonts
Dafont.com also have a massive selection to choose from. Some are only free for personal use however.
Simply the Best Fonts
Celtic Fonts
Coron's Sources of Fonts
DarkGarden

Acidfonts.com
Dave Bastian Free Fonts
Divide by Zero Fonts
FontFILE
Top 100 font downloads
Ealoha's PC Fonts and Utilities
Eric Brooks
Wantedftonts.com
Emerald City Fontwerks
EZGoal Font Channel

Free "Broken Typewriter" style fonts
identifont - Free fonts
Fancy Fonts & Fairies
Floodfonts
The Font Addiction Ring
Blambot Comic Fonts and Lettering
TypeNow.net Themed Fonts Download Free Movie and Music Fonts
Font Mania
Font Pool
The Fontain Of Youth

Font-a-Sea
Font Freak
Phils Fonts
Fontcraft's Scriptorium Fonts and Graphic Arts
Speciality Fonts
Abstract Fonts
Fonts, Terminator, Harry Potter, Lord of the Rings, quake, Tomb Raider, fontaholic, blood of dracula
FontEmpire.com
Fontso - High quality free fonts
Download Microsoft Core Fonts

Download Free Fonts and Dingbats | Urbanfonts.com
FontFiles.com
FontFree.com
FontMania by The WebFXMall
Fontmonster
Fontomania
Fontosaurus Text
Fontronics Free Fonts
1000Fonts
http://www.misprintedtype.com/v3/fonts.php

http://www.fontsite.com
http://www.1001freefonts.com
http://www.freefonts.org.uk
1001 Fonts
Fonts.dk
FontSeek
FontsFontsFonts.com
Neat fonts - Discover Free fonts from all over the web
1001 Free PC Fonts
Free PC Fonts

Free Site Tools- Free Fonts
FreebieList.com: Free fonts, freeware font downloads, dingbats
Peter Saville Graphic Design - fonts
FreeFont.de by SoftMaker
Free Fonts, Download Free fonts
GFonts
GregoryFonts
Grunge Fonts
G's Freeware Font Archive
Harold's Fonts

Iconian Fonts
Immortal Fonts
Lord Kyl's Medieval & Fantasy Fonts
MARVOSYM.TTF - Martin Vogel
Objets Dart
One Scrappy Font Site
Packrat Fonts and Dropcaps
Who Fonted
Yakov Mendelsons Fonts
4Yeo

Winfonts.com
Pizzadude
Robotic Attack Fonts
Robsfonts
Rubicon Font Library
StimulEye Fonts
Unfontunately
Varian's Dreamfonts
Wanted Fonts
Graffiti Fonts By Graffiti Writers
WhatTheFont - How To Find Every Font You Are Looking For
Top 10 Free Wallpaper, Fonts and Icon Sources
Fawnt is a font resource for designers, developers, and anyone that appreciates the web's highest quality fonts.
Miss C's Fonts post.
40+ Excellent Freefonts For Professional Design