open-ocd ☆

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Description:
On-chip debugging, in-system programming and boundary-scan testing

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: embedded debugging jtag firmware arm

Install: brew install open-ocd

About:
OpenOCD provides on-chip debugging and in-system programming for embedded devices. It supports a wide range of JTAG interfaces and target chips, enabling low-level firmware development and diagnostics. The tool is essential for developers working with microcontrollers and SoCs.

Key Features:

Supports various JTAG adapters and targets
Provides GDB server functionality for remote debugging
Enables in-system flash programming
Scriptable configuration interface

Use Cases:

Debugging firmware on ARM Cortex-M microcontrollers
Flashing bootloaders and applications to embedded devices
Performing boundary-scan testing on PCBs

Alternatives:

pyOCD – Python-based alternative with a focus on Arm Cortex-M devices
J-Link Software – Proprietary toolchain with high-performance debugging for SEGGER hardware

Version History

Detected	Version	Rev	Change	Commit