ShowHopping uses data from Last.fm to map out upcoming concerts and live shows on Google Maps. Users can search by location and radius, or have the browser give their current location, and the web app will map out all live shows in the area within a defined set of dates.
Parkopedia is aptly named — its database contains locations, and often pricing and other details, on 15 million parking spaces in 20 countries. So if you need to make a list of three go-to parking spots for a trip, it’s a great place to start.
Open-source mapping tool Crowdmap creates interactive maps for visualising location-based data on a map and timeline. The tool crowdsources information via a web form, mobile phone or Twitter, though it also uses news sources to document and verify incidents.