The following programs are not recommended because they install spyware themselves, just aren't any good at fixing spyware, or somewhere in between.
AdProtector
AdwareHunter (adwarehunter.com/browser-page.com)
AdWareRemoverGold (adwareremovergold.com)
BPS Spyware & Adware Remover (bulletproofsoft.com) -- AdAware knockoff,
InternetAntiSpy (internetantispy.com)
NoAdware (noadware.net/netpalnow.com)
Online PC-Fix SpyFerret
PurityScan (purityscan.com/puritysweep.com)
Real AdWareRemoverGold (adwareremovergold.com/sg08.biz)
Spybouncer (spybouncer.com)
SpyAssault (spyassault.com)
SpyBan (spyban.net) -- noadware clone
SpyBlast (spyblast.com/advertising.com)
Spyblocs/eBlocs.com (eblocs.com)
SpyDeleter (spydeleter.com/209.50.251.182)
SpyEliminator (securetactics.com) -- dead?
SpyFerret (onlinepcfix.com) -- also Lop Uninstaller, Xupiter Uninstaller
SpyGone (spygone.com) -- SpyBot S&D ripoff
SpyHunter (enigmasoftwaregroup.com\spywareremove.com\spybot-spyware.com\
SpyKiller (spy-killer.com/maxionsoftware.com/spykiller.com/spykillerdownload.com/
SpyKillerPro (spykillerpro.com)
Spyware Annihilator (solidlabs.com)
SpywareBeGone (spywarebegone.com\freespywarescan.org)
SpywareCleaner (»www.checkforspyware.com/ - »www.spw2a.com/sc/)
SpywareCrusher (spywarecrusher.com)
SpywareInfoooo.com
SpywareKilla (spywarekilla.com)
SpywareNuker (spywarenuker.com/trekblue.com/trekdata.com/spyware-killer.com/
SpywareRemover (spy-ware-remover.com/spywareremover.com)
SpywareThis (spywarethis.com)
SpywareZapper (spywarezapper.com) -- looks like it may be TZ Spyware Adware Remover
SpyWiper (mailwiper.com)
ssppyy pro (ssppyy.com)
TZ Spyware Adware Remover (trackzapper.com)
VBouncer/AdDestroyer (spywarelabs.com/virtualbouncer.com)
Warnet (warnet.com)
XoftSpy (download-spybot.com/paretologic.com/downloadspybot.com/no-spybot.com) - this may be a SpyHunter clone
ZeroSpyware (zerospyware.com/zeroads.com)