Trivia for Google Chat - Team-building w/ fun quizzes, games right inside Google Chat
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.
Flinkit! - Web-hosted team building games for small and large companies
Rybbon - Send digital e-gift cards as marketing incentives or rewards with Rybbon, which integrates with Marketo, HubSpot, SurveyMonkey, and Qualtrics.
Sorry App - Turn outages into opportunities
Giftbit - Buy, send and track digital gift cards for your reward and incentive programs.