Free Download: FM8 Drum Kit for Ableton Live from Gustavo Bravetti

Free FM8 Drum Kit for Ableton Live at Kore NoisePages.

Audio Converter

If you need a free audio converter for Windows then I suggest Switch. It's very fast and compact and great for converting aif files to mp3.

TAL-BassLine

In the latest CM Special you get 100 freeware tools for making music (though word is only four work on Macs), including TAL-BassLine, a Roland emulator. It comes in VST and AU for Windows and OS X and is well worth the download.

LFX-1310

This VST Effect was voted Best of 2004 by members of KVR. It's actually quite good, and works with Windows and OS X.

Run Linux in Windows

Wired have a wiki-how to on running Linux apps in Windows. That being said you could always dualboot.

Soundcloud

If you want a way to share your music in a way that is actually pretty cool, then check out Soundcloud. This could be great for collabs.

Weird instrument VST's

Safwan Matni VST Plugins specialises in obscure instruments, like the Oud.

Free Live Packs from Puremagnetik

Puremagnetik have some free Live Packs on their website, and some more to buy.

See if your gear is Vista ready

This website will keep you updated on whether or not your gear is Vista ready or not. Most things work with Vista now so it's not so bad.

Free Stuff

VST(i) / AU
mda-vst.com has vst and au's
Kammerl Audio a pack of five effects for Windows and OS X
Antress Modern Plugins Windows only racks
Free VST's from Andreas Ersson
DSK Music make heaps of free VST's

Lists
Free VST(i) list from electrobel - HUGE list
Free Samples from IDMForums - HUGE, but you must be registered to see links
Free VST - Old dead site
Free Music Software - The new home of Free VST, also has software and samples
Free Plug-in List - Reasonably good site
Best VST Plugins - links to download some vst's

Everything
Dont Crack has heaps of freeware for Windows and OS X
Studio Toolz has heaps of Mac freeware

Misc.
KVR Audio is great for information on everything audio
Rekkerd Audio Software news
This Is Not A Label videos and links to interesting stuff

I will update this when I remember more links.

Make Noise With Reception

Reception is a VST for destroying your audio. It's by Psychic Modulation who have a few other (mostly free) goodies at their site, take a look at the synths.

make music from pictures

Audio Paint is a Windows only program which lets you create music from pictures. This would be great if you were looking for inspirartion, you could then just cut it all up and resample it in your DAW.

space invaders extreme

Check out the music to Space Invaders Extreme in the video above. It's out now on the Nintendo DS and PSP.