Foursquare City Guide
Foursquare
Foursquare Global Connected
InPeace App
Foursquare Swarm: Check In
Pilgrim Toolkit
Foursquare Connect
Firstlincoln
OpenTable
TheFork - Restaurant bookings
LaFourchette SAS
Simple Checkin for Foursquare
Rathbone Labs
GetYourGuide: Travel & Tickets
GetYourGuide