a.placebetween.us - Find a meeting point based on place type
UTM.io - Our UTM tool makes it easy and fast to set up tracking on every link, leaving you free to dive into the data to learn how you can maximize the effectiveness of your email and social media campaigns.
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
UTMBuilder.net - Easiest UTM tags builder
Works For All - Find a central meeting place for everyone in the group
Effin Amazing UTM Builder - Add UTM tags to your links from a Chrome Extension