Free Software Directory
AlternativeTo
Product Hunt
Softpedia
Filehippo
FileHorse.com
Slant.co
Libre Projects
Free-To-Try.com
Softpedia
MajorGeeks
CNET Download.com
osalt
openDesktop.org
Winwares
SnapFiles
AlternativeTo - AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.
Softpedia - A library of over 1,000,000 free and free-to-try applications for Windows, Mac, Linux and Smartphones, Games and Drivers plus tech-focused news and reviews
Product Hunt - A website that lets users share and discover new products
MajorGeeks - Download freeware and shareware software utilities.
CNET Download.com - CNET is the premier destination for tech product reviews, news, price comparisons, free software downloads, videos, and podcasts.
Filehippo - Filehippo is your key to opening files that Windows claims are "in use by another user" or simply "can't be found." Avoid the hassle.