Entrepreneurship

Social Searcher

Social Searcher is a free social mentions tool.
Allows users to monitor real-time trending links from major social media sites.

Tweet Binder

Detailed analyses of tweets.
Only indexes 300 tweets in free version.

Twitter Advanced Search

Limit by language, people, and places. 
Only searches previous 10 days.

#tagboard 

Searches across different social media networks.

Youtube 

Advanced search filter by uploaded time
(hour, date, month, year).
Sort option by most viewed