# Yowkees/keyball

keyball is split keyboard has 100% track ball

Repository: https://github.com/Yowkees/keyball
Canonical: https://ross.abutalabs.com/products/keyball
Language: C
License: GPL-3.0
License Family: copyleft
Last push: 2026-07-27T19:43:12+00:00

## Health v2 (maintenance only)
Score: 65/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 94, release rhythm 8, longevity 100
- inputs: {"age_days": 1937, "days_push": 37, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1034, forks 994 (observed 2026-08-28T04:03:18.584699+00:00)

## What it is
Keyball is a family of open-source split keyboards featuring an integrated 100% trackball, including the Keyball39, Keyball44, and Keyball61 models. The repository provides hardware design files, build guides, and QMK-based firmware source code for building and customizing these keyboards.

## Use cases
- build a split ergonomic keyboard with a trackball
- flash custom QMK firmware on a Keyball keyboard
- customize keymaps for a trackball split keyboard
- find build guides and where to buy Keyball kits
- modify keyboard firmware for a DIY trackball keyboard

## When to choose
- you want a DIY split keyboard with a built-in trackball
- you need open firmware and hardware designs for a Keyball model
- you want to customize keymaps or trackball behavior via QMK

## When to avoid
- you want a ready-made commercial keyboard with no assembly
- you need a keyboard without a trackball
- you are not comfortable soldering and assembling a kit yourself

## Facets
- artifact type: application
- maturity: active
- function: embedded, sdk, developer-tools
- domain: hardware, embedded-systems, developer-tools, cross-platform
- platform: embedded, cross-platform
- tags: keyboard-firmware, qmk, split-keyboard, trackball, diy-hardware, ergonomics, open-source-hardware

## Member repositories
- Yowkees/keyball (main) score 65

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:18.584699+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 2026-08-30T07:06:31.166787+00:00, confidence not recorded.
  - readme: https://github.com/Yowkees/keyball (fetched 2026-08-28T04:03:18.584699+00:00, sha 4214a8255679)
- Data as of 2026-08-30T08:39:29.467469+00:00.