Site Rank Data - View historical rank information of websites via time series charts.

Postaga - Generate more backlinks and social shares with effective, automated post promotion and outreach.

HypeStat - HypeStat is free statistics and analytics service, where you can find information about every website.

Dibz - Put your link building efforts on autopilot

Q-Stats - Get free marketing insights for every question on Quora.

Buzzstream - Build Relationships. Build Buzz. Web-based software that helps the world’s best marketers promote their products, services and content.