Two Free Tacos Day: this will make my $50 gas purchase yesterday really only $49! Thanks Jack!
Feedbooks: if’n I ever get one of them Kindle thingies, this’d be a might useful site.
LoudLit: public domain books and public domain audio. Can’t beat the price!
Animal Recordings: approximately 80,000 recordings (audio or video) of animal sounds. Free.
Programming Texts/Tutorials: awesome list of free references organized by subject matter.
Scary Halloween Sounds: for all your haunted house needs.
Golden Book of Chemistry Experiments Scan: this book has been banned, like so many useful chemistry sets, because kids can learn things from it. Its copyright wasn’t renewed when it should have been so it has fallen into the public domain. The torrent link in that entry appears to be wonky so here’s a non-Torrent local mirror.
[UPDATE (9/13/2007): Removed mirrored file. It appears to be in the public domain but not rightfully so.]
Free Movies Fallen Out of Copyright: thems free for the watching.
Stanford CS Education Library: ooo, me likes the free.
Free Online Books Directory: I’ve been meaning to blog this but it’s been blogcrushed for a bit.
Learn Out Loud: great selection of free audio and video material. Oh, and there’s ones you can pay for as well.
1911 Encyclopedia: 1911 version of the Encyclopedia Britannica, one of the most authoritative editions ever published.
Charles Darwin Bookmarks and Stickers: make your own.
Teenager’s Guide to the Real World: 26 chapters (of 46) available online for free. Looks like a good book.
78 RPM Jukebox: hundreds of free mp3s from 1900 to 1930. Everyone’s linking it, so I guess I should too.
Flashcard Exchange: huge library of flashcards that you can print.
Essential Fonts for Designers: 300 free fonts. And good ones, at that.
World Wind: Google Maps satellite on your desktop. Free Windows software from NASA.
Science Toy Maker: make some inexpensive toys that illustrate scientific principles for your young-uns.
Sweepstakes Today: somebody’s got to win.
Beer Logos in EPS: suitable for printing of any kind.
The Founders’ Constitution: 3200 pages of constitutional goodness with commentary and supporting documents. Mmmmm, liberty.