# coreboot/coreboot

Read-only mirror of https://review.coreboot.org/coreboot.git. Synced every hour. We don't handle Pull Requests.

Repository: https://github.com/coreboot/coreboot
Canonical: https://ross.abutalabs.com/products/coreboot
Homepage: https://coreboot.org
Language: C
License: GPL-2.0
License Family: copyleft
Topics: bios, c, coreboot, firmware
Last push: 2026-08-26T19:01:57+00:00

## Health v2 (maintenance only)
Score: 67/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 8, longevity 100
- inputs: {"age_days": 4553, "days_push": 7, "days_rel": 524, "gap_med": null, "n_releases_24m": 1}
- flags: prerelease_only
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2777, forks 647 (observed 2026-08-28T04:07:21.417564+00:00)

## What it is
coreboot is an open-source firmware project that replaces proprietary BIOS/UEFI on computers, performing hardware initialization and then handing control to a payload such as a bootloader or OS. It supports a wide range of architectures, chipsets, and mainboards.

## Use cases
- replace proprietary BIOS with open-source firmware
- boot Linux directly from firmware
- build custom bootloaders for embedded hardware
- implement UEFI or PC BIOS services on supported mainboards
- reduce firmware attack surface for security-sensitive systems
- run specialized applications directly in firmware

## When to choose
- you need open, auditable firmware on supported hardware
- you want minimal, customizable boot code for embedded or specialized systems
- you are building security-focused or privacy-focused machines
- you need fast boot times by skipping proprietary firmware bloat

## When to avoid
- your mainboard or chipset is not in the supported hardware list
- you need guaranteed-stable quarterly releases rather than codebase snapshots
- you require vendor warranty or proprietary firmware features like full UEFI compliance out of the box
- you are not comfortable flashing firmware that can brick hardware if done incorrectly

## Facets
- artifact type: application
- maturity: active
- function: embedded, security, developer-tools
- domain: embedded-systems, hardware, operating-systems, security
- platform: embedded, cpp, c
- tags: firmware, bios, uefi, bootloader, open-source-firmware, hardware-initialization, linux

## Member repositories
- coreboot/coreboot (main) score 67

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:07:21.417564+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T08:16:31.056565+00:00, confidence not recorded.
  - readme: https://github.com/coreboot/coreboot (fetched 2026-08-28T04:07:21.417564+00:00, sha 2db5681855f2)
  - homepage: https://coreboot.org (fetched 2026-08-29T09:55:39.807283+00:00, sha 6a387070f231)
  - site_page: https://coreboot.org/about.html (fetched 2026-08-29T09:55:39.816294+00:00, sha f5198c5d6536)
- Data as of 2026-08-30T08:39:29.467469+00:00.