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.

Capitan - AI powered shopping list: Never forget anything at the store

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!

Deponi - Always know what you have at home.

xZeitgeist - The most popular tweets categorized and ranked, every day

Food 52 - Social network for foodies.