QEMU

OpenOCD

openocd-org/openocd

Popular

Open on-chip debugger providing JTAG/SWD flashing and a GDB server for a huge range of probes and MCUs.

SEGGER J-Link

segger.com

Popular

Industry-standard commercial debug probe family with fast flashing, RTT logging and Ozone debugger.

probe-rs

probe-rs/probe-rs

Trending

Modern Rust toolkit for flashing and debugging ARM and RISC-V MCUs, with VS Code integration and RTT.

Renode

renode/renode

Rising

Antmicro's open-source framework that simulates full multi-node embedded systems for CI and testing.

Wokwi

wokwi.com

Rising

Online and VS Code simulator for ESP32, Arduino, STM32 and Pi Pico with virtual parts and CI support.

pyOCD

pyocd/pyOCD

Python-based debugger and flasher for Arm Cortex-M using CMSIS-Packs, scriptable and GDB-compatible.

sigrok PulseView

sigrokproject/pulseview

Open-source logic analyzer and protocol decoder GUI supporting many cheap USB analyzers and scopes.

defmt

knurling-rs/defmt

Trending (detected automatically)

Highly efficient deferred-formatting logging framework for embedded Rust, used with probe-rs and RTT.