Spott - API to work with cities, countries and political divisions.
Hum - Songwriting for iPhone
BigDataCloud IP Geolocation API - Next Generation IP GeolocationAPI
Tape It - App for songwriting & audio recording.
IP Location - IPLocation.io provides a free lookup tool to check the location of your Public IP Address. It finds this data through various GEO IP databases and online services. Just enter an IP and check its location easily.
Songcraft.io - A platform for songwriters to write, organize & collaborate.