Who wants to record for free ? :D I gathered all the useful free software including DAW, vst's etc that will enable you to record at home without spending money on something else than your actual instrument or audio interface. Windows OS.
DAW - Zynewave podium free: http://www.zynewave.com/download.html
Drums - Drumcore 3 Free http://www.sonomawireworks.com/drumcore/downloads/
Bass & Lead - Sampletank Free: http://www.ikmultimedia.com/products/sampletank/index.php?pp=sampletank-2-xl-...
Other Vst's like Ambience & DensitymkIII: http://magnus.smartelectronix.com/
How To Record For Free