Social Aider - Social Aider is an affordable, user-friendly social media management tool that helps businesses to enhance their marketing campaigns.
Bookmark It - Create awesome notes on YouTube videos
Social Champ - Social Champ - The Efficient Social Media Management Tool and Scheduler
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Social Insider - Get an inside view of your competitors' Facebook activity
PageMarker - Save, organize, annotate and revisit your bookmarks