Software

http://www.portablefreeware.com/  for portable software

http://www.bestfreewaredownload.com

http://www.educational-freeware.com/

http://www.techsupportalert.com

http://www.opensourcemac.org/

http://sourceforge.net/

http://www.filehippo.com/

http://www.onlyfreewares.com

http://freeware.intrastar.net/

http://www.onlythebestfreeware.com/

For older version of software download

http://www.321download.com/LastFreeware/index.html

http://www.oldapps.com/

http://www.oldversion.com/

for alternatives software finding

http://alternativeto.net/

http://www.osalt.com/

http://linuxappfinder.com/alternatives

http://sourceforge.net/

http://freshmeat.net/

http://apache.org

http://cpan.org

http://ctan.org

http://cran.r-project.org/

http://developer.berlios.de/

Open Source Free Projects

http://www.opensourcescripts.com/

http://community.java.net/projects/

http://savannah.gnu.org/

http://savannah.nongnu.org/

http://rubyforge.org/

http://javaforge.com/

http://java-source.net/

http://www.osdir.com/

http://codehaus.org/

http://www.opensymphony.com/

 http://objectweb.org/

http://jboss.com/

http://ja-sig.org/

http://pear.php.net/

 http://www.phpclasses.org/

http://oszone.org/

http://code.google.com/hosting/

http://www.macforge.net

http://doapstore.org/

http://cheeseshop.python.org/pypi

http://osstrans.net/

http://statpages.org/javasta2.html

http://raa.ruby-lang.org/

Open-source testing tools-

http://opensourcetesting.org/

http://snow.iro.umontreal.ca/

http://openjsan.org/

http://www.ohloh.net/

http://www.webi.org/

http://www.codeplex.com/

Free Software Directory

http://directory.fsf.org/

For commercial software

https://pcwonderland.com

https://getintopc.com/

https://igetintopc.com