Brand Bowl - Track the hashtags of Superbowl commercials
UI Cloud - The largest user interface design database in the world
Result Tree - Search multiple sites at once
OpsDash - All-in-one solution for monitoring servers, services, uptime and databases. Curated Dashboards. Rule-based alerting.
Youtube Word Search - Search and seek to specific words in youtube videos
Qikipedia - Instant Wikipedia summary cards on any web page