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.

Fileion - Fileion is a software-related website where you can download and get reviews software.

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

JoyDownload - Collection of free software and shareware programs to download

Product Hunt - A website that lets users share and discover new products

IceWalkers - IceWalkers.com provides a vast database of Linux Software.