xen0bit/bluecrush

Bluecrush is a stagnant security utility with virtually no adoption (2 stars, 0 forks) and no updates in over four years (1,500+ days). While it covers the essential bases of BLE auditing (scanning, GATT service discovery, and handle bruteforcing), it lacks a modern maintenance cycle or unique technical approach. In the niche of BLE security, it has been significantly outclassed by more robust and actively maintained projects like Bettercap (which includes extensive BLE modules), the nRF Connect ecosystem for developers, and specialized hardware-integrated tools like the Flipper Zero. The defensibility is minimal because it relies on standard Bluetooth libraries that are prone to OS-level breaking changes; without active maintenance, the tool is likely non-functional on modern Linux distributions or kernel versions. Frontier labs are unlikely to compete here as this is a hardware-specific security niche, but the project is effectively displaced by the consolidation of security tools into larger, multi-protocol platforms.