Google Trends - Explore Google trending search topics with Google Trends.
Commit Together by Github - Now add co-authors to your commits
Exploding Topics - Get inspirations for blog posts, startup projects, cocktail conversations and beyond on Trennd, the one-stop aggregator for emerging search and social trends.
Commit Print - Posters of your git history
Glimpse - Discover trends before they're trending
gitbird - So, I don't always remember to tweet what I do, but commit my code often, and what do users love more than your product?