Adobe Reader
www.adobe.com

AIM
www.aim.com

Audacity
audacity.sourceforge.net

Firefox
www.mozilla.com

GIMP
www.gimp.org 

iTunes
www.apple.com/itunes

OpenOffice.org
www.openoffice.org 

Skype
www.skype.com

Thunderbird
www.mozilla.com/thunderbird

Ubuntu
www.ubuntu.com

WinAmp
www.winamp.com

full list via pcmag.com

3. Sunbird
http://www.mozilla.org/projects/calendar/sunbird/

4. Abiword
http://www.abisource.com/

5. OpenOffice
http://www.openoffice.org/

6. ClamWin
http://www.clamwin.com/

7. Gaim
http://gaim.sourceforge.net/

8. BitTorrent
http://www.bittorrent.com/

9. GIMPShop
http://www.gimpshop.net/

10. Gnucleus
http://www.gnucleus.com/Gnucleus/

11. VLC Media Player
http://www.videolan.org/vlc/

12. Juice
http://juicereceiver.sourceforge.net/

13. Audacity
http://audacity.sourceforge.net/

14. RSSOwl
http://www.rssowl.org/

15. Filezilla
http://filezilla.sourceforge.net/

16. Keynote
http://www.tranglos.com/free/keynote.html

17. MusikCube
http://www.musikcube.com/

18. Handbrake
http://handbrake.m0k.org/

19. X-Chat 2
http://www.silverex.org/

20. KeePass
http://keepass.sourceforge.net/

21. TrueCrypt
http://www.truecrypt.org/

22. PDFCreator
http://sourceforge.net/projects/pdfcreator/

23. Freemind
http://freemind.sourceforge.net/

24. NASA Worldwind
http://worldwind.arc.nasa.gov/

25. Notepad2
http://www.flos-freeware.ch/notepad2.html

26. HealthMonitor
http://healthmonitor.zucchetti.com/

27. Workrave
http://www.workrave.org/

28. GanttPV
http://www.pureviolet.net/ganttpv/

29. GnuCash
http://www.gnucash.org/

30. True Combat: Elite
http://www.truecombatelite.net/

via thesimpledollar

spree

iSocial

Mahara

Yogurt

VMukti

The PeopleAggregator

Appleseed

Mugshot Project

GetBoo

Akarru

Scuttle

SemanticScuttle

AROUNDMe

Clonesumating

BeWelcome Rox

ICEcore

Memephage

InteractOLE

Elgg

CommunityNews

OpenPNE

MonkeyChow

NewsCloud

Feed Me Links

WorldSpace

Social Networking POC

Zoints

earth-life-simulation

PHPizabi

Ozcode

TallStreet

Jamss

Dolphin

Ospo

AstroSPACES

FlightFeather

SNOSS

OpenSocialNetwork

S3B

Facelift

source via vivalogo