Startup Stash - A curated directory of 400 resources & tools for startups
ProppyJS - Functional props composition for UI components (React & Vue)
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.
Appbase.io - Search stack for building modern apps
StartupResources.io - Tightly curated lists of the best startup tools
Reactive Search - UI components for building Amazon / Yelp like Search