USB Mass Storage bootloader (based on UF2) for SAMD21 and SAMD51
UF2 bootloader for STM32F4
UF2 bootloader for STM32F103 (Blue Pill etc)
UF2 bootloader based on TinyUSB for embedded devices such as ESP32S2, STM32F4 and iMX RT10xx
UF2 flashing support for Linux (Raspberry Pi Zero)
USB Flashing Format (UF2) for your build.zig
Microsoft HF2 HID Flashing Format for UF2 Bootloaders
UF2 bootloader for NRF52840