Macbook Prices by Performance - Find the cost effective Macbook for your needs
Hunter TechLookup - Create lists of websites by technology for free
Wish Whale - Simple slick and flexible online wish lists
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!
GiftBuster - Wish list registry & shopping list app
xZeitgeist - The most popular tweets categorized and ranked, every day