Startup Stash - A curated directory of 400 resources & tools for startups
Hunter TechLookup - Create lists of websites by technology for free
Startup Buffer - Startup Buffer is a premium startup directory for emerging startups all around the world.
Techmap.io - Techmap is a workplace search engine to find companies using technologies (e.g., Rails, PHP, Java, etc.) that are used internally. Finally, a "Google for Workplaces" that helps people find a place to work with technologies they love!
Makerbook - A directory of the best free resources for creatives
Setalist - The easiest way to make awesome lists for the internet