Startup Stash - A curated directory of 400 resources & tools for startups
MoreGamesLike.com - Most popular recommendation engine for more similar games and recommendation blog.
Content Marketing Stack - A curated directory of content marketing resources
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.
StartupResources.io - Tightly curated lists of the best startup tools
Open Source Game Clones - This site tries to gather open-source reimplementations of great old games in one place.