micro-bmpA small Black Magic Probe based on the pinout of the STLink V2 support firmware
blackmagic-espidfBlackmagic Wireless SWD Debug probe hosted on esp-idf SDK (for ESP8266) with UART on Telnet port and HTTP using xterm.js
openocd-spiOpenOCD that supports SWD over SPI on Raspberry Pi
jaylinkA Rust library for talking to J-Link USB devices