BTLE
Bluetooth Low Energy (BLE) packet sniffer and transmitter
BTLE is a free and open-source Software Defined Radio Bluetooth Low Energy (BLE) software suite. BLE sniffer. Besides sniff broadcasting/fixed channels, it can also track channel hopping of a communication link. Universal BLE packet transmitter. Besides BLE standard, it supports also raw bit mode to generate arbitrary GFSK packets. In this way, you can test non-standard protocols or standards under discussion before chipping in the market.