Stackshare - StackShare is a comprehensive website that gives its users the chance to organize and share their technology stack with the rest of the community.

AngelList Jobs - See 1000s of startup jobs at the best startups. Get salary, equity and funding info upfront. Apply privately with one click. No recruiters, no spam. 20,000+ startups hiring.

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!

Glassdoor - Glassdoor is a jobs and career marketplace.

Setalist - The easiest way to make awesome lists for the internet

Hired - Hired is the first two-sided marketplace created specifically for Engineers, Data Scientists...