Tango Card - Tango Card bundles an awesome catalog of e-gift cards and other e-rewards with easy-to-use technology and expert program support.
Tweeticide - Tweeticide – Delete All Tweets is a commercial app that enables you to delete all of your tweets at once.
Rybbon - Send digital e-gift cards as marketing incentives or rewards with Rybbon, which integrates with Marketo, HubSpot, SurveyMonkey, and Qualtrics.
Wali - Share and create watchlists
Giftbit - Buy, send and track digital gift cards for your reward and incentive programs.
Mountaintop Data - A B2B marketing intelligence company providing marketing lists as well as data cleaning, data appending, and data maintenance services.