Famous First Websites - Discover what popular startup websites looked like at launch
Buzzstream - Build Relationships. Build Buzz. Web-based software that helps the world’s best marketers promote their products, services and content.
Waybackpack - Download the entire Wayback Machine archive for a given URL
FameBit - Easiest Way to Find, Hire, and Work with YouTube Influencers
Youtube++ - extension to show publishing date of related youtube videos.
Meltwater - Media monitoring, social media monitoring & media Intelligence products & tools help companies grow and build brands by listening, understanding, engaging and benchmarking their customers, markets and social business communities.