2,141 open source boards in Keyboards
Mechanical keyboard PCBs, split boards and macropads — QMK, ZMK, MX and Choc. Every board here is a public GitHub project with its KiCad files, read for size, layers and parts. Pick one close to your design and simulate its firmware on HardLabs before you build it.
STM32Travaulta WKL
calvin-mcd
208.3 × 75.8 mm46 parts4LCC-BY-NC-4.016
STM32STM32-Reference-Keyboard
AeternusCo
38.1 × 38.9 mm46 parts2LUnlicense16
Sweep squared rot
ezxzeng
100 × 100 mm25 parts2LMIT16
Yuiop54v2
koron
285 × 94.6 mm174 parts2LMIT15
RP2040/RP2350Outsider
DreaM117er
278.8 × 76.2 mm130 parts2LMIT15
Kebu
Cedutus
257.2 × 95.3 mm126 parts2LMIT15
STM32Rii-518bt usb qmk
tangles-0
102.5 × 53 mm125 parts4LNo license15
AVR/ArduinoKiCad Project
CatGirlGF
257.2 × 95.3 mm109 parts2LMIT15
STM32Tiny-Dimply-Qazy
ASH-ART
200 × 76.2 mm90 parts2LGPL-3.015
Kbd cherry
codepainters
398.1 × 116 mm79 parts2LNo license15
AVR/ArduinoPhase
mjpauly
128 × 92.6 mm66 parts2LNo license15
STM32Custom keyboard (f303)
howardt12345
395.3 × 138.1 mm421 parts2LCC-BY-NC-4.014
AVR/ArduinoArisutea pcb rgb
mattyams
339.1 × 121 mm210 parts2LGPL-3.014
Barnacle shell
floookay
343.2 × 114.4 mm209 parts2LCERN-OHL-S-2.014
NXPOpenclack
jtryon
345.7 × 134.1 mm204 parts2LNo license14
RP2040/RP2350Win split right
alexcamlo
213.2 × 120.4 mm173 parts2LNo license14
Atari keyboard tester
gianlucarenzi
129.5 × 125.1 mm110 parts2LGPL-3.014
RP2040/RP2350Vulpes minora
sadekbaroudi
124.7 × 96.1 mm67 parts2LNo license14
RP2040/RP2350MiniRazz
purdeaandrei
142.2 × 48 mm55 parts4LCERN-OHL-P-2.014
Abyss
zoriya
106.5 × 91.8 mm32 parts2LNo license14
QMK-ADB-to-USB
Wout-M
48.3 × 17.8 mm4 parts2LNo license14
AVR/ArduinoKeyboard
dragonlock2
200 × 100 mm225 parts2LApache-2.013
AVR/ArduinoJayK
josuegaleas
419.1 × 101.2 mm207 parts2LApache-2.013
Nordic nRFJalapeno
GeeWizWow
230.1 × 77.6 mm184 parts2LCC-BY-NC-4.013
Nordic nRFJiran ble
Ladniy
6.1 × 56.3 mm170 parts2LMIT13
ByranTK-Alpha
byrantech
313.1 × 121.4 mm164 parts2LMIT13
AVR/ArduinoSplitty ergonomic keyboard
schodet
133.4 × 100.3 mm89 parts2LMIT13
PS-OHK
blueOkiris
252.8 × 229.6 mm83 parts2LGPL-3.013
RP2040/RP2350Umbra
skarrmann
224 × 89 mm32 parts2LMIT13
MIDI4MiSTer
KabukiFlux
44 × 44.8 mm27 parts2LMIT13
Shift register spi breakout
christrotter
75 × 30 mm15 parts2LMIT13
BlenderMacroBoard
SpectralVectors
69.3 × 115.4 mm14 parts2LGPL-3.013
Milk crate
somepin
35 × 50 mm5 parts2LMIT13
AVR/ArduinoEc0board
digitalrane
348.1 × 120.9 mm368 parts2LNo license12
RP2040/RP2350Nora
jpskenn
285 × 95.1 mm272 parts2LMIT12
AVR/ArduinoGh80-1800
retoid
381 × 148.2 mm246 parts2LNo license12
Browse boards by part
AMS1117-3.3 1052USBLC6-2SC6 844RP2040 613W25Q128JVS 390TL072 317AP2112K-3.3 312TL074 280ESP32-S3-WROOM-1 267CH340C 246L7805 228Pico 21974HC595 217USBLC6-2P6 203LM358 19674LS04 177AP2112K-3.3TRG1 174ESP32-WROOM-32 168SRV05-4 165Arduino_Nano_v3.x 162LM7805_TO220 15974LS245 15874LS138 153W25Q128JVSIQ 15374LS32 149