BiiSafe Buddy - Bluetooth keyfob for item tracking and location alerts
Companion - Never walk home alone
Chipolo - Chipolo is a leading Bluetooth tracker that connect your items on your phone and helps you find them.
LocationAPI - Instantly locate any device w/ WiFi, celltowers & IP address
Tile Sticker - The small Bluetooth tracker that sticks to anything
Iris - The fastest web framework for Go in (THIS) earth