Envoy Passport - Visitor sign-in just got even easier
Wikivoyage - the free worldwide travel guide that anyone can edit.
Welkio - The best visitor sign-in software for your office
Triptipedia - Triptipedia is a free collaborative encyclopedia of travel tips, where everyone can browse, save and share tips for better travel!
Wellcome - Wellcome helps create the safest and easiest office arrival experience for everyone—employees, visitors and contractors.
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.