GoLocalBot. The project is closed - Platform for volunteers, NGOs, activists and crowdmapping.

KAYAK - KAYAK is a travel search engine that searches hundreds of other travel sites at once. Our helpful tools & features find you the information you need to make the right decisions on flights, hotels, rental cars and vacation packages.

Golden Volunteer Organizer - Automated volunteer recruitment, management, and tracking

Expedia - Save up to 60% with Expedia Mobile Exclusive hotel deals!

DEED - On-demand app that makes volunteering easy, social and fun!

Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.