FriendFilter - Auto unfriend tool for Facebook
Podopi - Get more value out of your blog by automatically creating a podcast, YouTube videos, and audio to embed on your site.
Detox for Facebook - Replace your Facebook feed with PH, HN, DN and more.
TheSeoLabs - Find news guest post opportunities with more than 15 000 Blogs that accept guest post, with contact information and SEO metrics.
Keep My Friends - A lightweight, personal CRM to improve your relationships
Sponsr.Us - Social fundraising for student projects