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.
GoLocalBot. The project is closed - Platform for volunteers, NGOs, activists and crowdmapping.
Giftbit - Buy, send and track digital gift cards for your reward and incentive programs.
Golden Volunteer Organizer - Automated volunteer recruitment, management, and tracking
Rybbon - Send digital e-gift cards as marketing incentives or rewards with Rybbon, which integrates with Marketo, HubSpot, SurveyMonkey, and Qualtrics.
DEED - On-demand app that makes volunteering easy, social and fun!