> cat /dev/github | grep security-tools
discovered 03 Aug 2026

opendoorsim

C++ ★ 18 via github-topic
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OpenDoorSim is an open-source tool designed to simulate Physical Access Control Systems (PACS) for hands-on experimentation and research. It supports integration with both Wiegand and OSDP readers, featuring a web UI, on-device menu, and various operating modes for enhanced functionality. The tool is highly portable, powered via USB-C, and optimized for creating engaging demos and workshops in the field of RFID security.