https://github.com/seemoo-lab/internalblue — a Bluetooth experimentation framework
https://github.com/bettercap/bettercap — The Swiss Army knife for 802.11, BLE and Ethernet networks reconnaissance and MITM attacks.
https://github.com/mikeryan/crackle — Crack and decrypt BLE encryption
hcitool/gatttool — part of Bluez, bluetooth stack for Linux
https://scapy.net/ — Scapy is a Python program that enables the user to send, sniff and dissect and forge network packets.
https://github.com/conorpp/btproxy — Man in the Middle analysis tool for Bluetooth