Pennywise - Cross-platform application to open any website or media in a floating window
Spott - API to work with cities, countries and political divisions.
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
BigDataCloud IP Geolocation API - Next Generation IP GeolocationAPI
PiPer - A DIY Minecraft computer to build gadgets
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.