Hardware & IoT (Collections & Awesome Lists): open-source projects that exist because someone reverse engineered a closed product, sorted by GitHub stars.
Curated list of Home Assistant resources and integrations
Curated list of projects related to the reMarkable tablet
Curated resources on vehicle security and car hacking
Curated CAN bus tools, hardware and resources for reverse engineers
Curated resources about embedded and IoT security
List of open-source hardware projects
Collection of IoT device hacks and teardown write-ups
Security-oriented list of resources about industrial network protocols
Commodore 64 reference: commented ROM disassembly, memory map and more
Resources for vulnerability research on embedded devices
Curated hardware, firmware and IoT hacking resources and tools
Garmin apps and tools, including unofficial Garmin Connect API clients and Connect IQ binary tools
Curated list of ESP32 reversing resources
Awesome list of LIN bus tools and resources for reverse engineering LIN devices
Curated ESPHome external components, many speaking reverse-engineered appliance, inverter and BLE protocols
Commercial FPGA boards (LED cards, miners, network gear) reverse engineered and repurposed for hobby use
Curated list of embedded security tools: firmware analysis and hardware RE
Curated list of M-VAVE FM-1 custom firmware, reverse engineering and tools
Game Boy Camera and Printer projects: protocol emulators, save-format tools, sensor drivers and hardware clones
Collection of projects for Even Realities G1 AR glasses
Directory of 21,000+ devices whose protocols or firmware are already open, with an MCP server
Wiki and resources for reverse engineering and reusing the Tech Will Save Us Arcade Coder e-waste device