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co.build lists third-party projects and provides its own descriptions and setup prompts. Review instructions before running them: device changes can cause damage, data loss or security problems. Independent repair does not automatically remove statutory warranty rights, but damage caused by a modification may be excluded where law permits. Check the project, permissions and local law. Device names and logos belong to their owners; a listing does not imply their endorsement.

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Devices Mods Requests Submit a project

1
OpenLogi
An Options+ replacement for Mac, Windows and Linux
2
QMK Firmware
Make keys, layers and macros work your way
3
Solaar
Pair, remap and monitor Logitech gear on Linux

4
NVTOP
See which processes are using your GPU
NVIDIA GPUs
NVIDIA GPUs
5
OpenRazer
Razer mice, keyboards and Kraken headsets on Linux
Razer mice, keyboards and headsets
Razer mice, keyboards and headsets

6

Mouser

Remap MX mouse buttons without Options+

Logitech mice and keyboards

Logitech mice and keyboards

7

ckb-next

Corsair keyboard and mouse lighting on Linux

Corsair keyboards, mice, headsets and PC lighting

Corsair keyboards, mice, headsets and PC lighting

8

APC Back-UPS BX750MI battery backup

Network UPS Tools

Monitor a UPS and coordinate safe computer shutdown

UPS battery backups

UPS battery backups

9

Huion H640P tablet and pen on a desk beside a laptop

OpenTabletDriver

Use your drawing tablet with an open driver

Drawing tablets and pen displays

Drawing tablets and pen displays

10

Keychron Q1 keyboard with rotary knob, viewed from above

ZMK Firmware

Build a wireless keyboard around your own keymap

Programmable mechanical keyboards

Programmable mechanical keyboards

11

Piper

Set DPI, buttons and LEDs on gaming mice in Linux

Logitech mice and keyboards

Logitech mice and keyboards

12

Logitech MX Master 3S mouse in graphite, top view, on a transparent background

logiops

Configure your Logitech mouse from a Linux service

Logitech mice and keyboards

Logitech mice and keyboards

13

Dell UltraSharp U2723QE monitor on its stand

Monitorian

Adjust external monitor brightness from Windows

Computer monitors

Computer monitors

14

OpenDeck

Elgato-style plugins on Linux, Windows and Mac

Elgato Stream Deck

Elgato Stream Deck

15

Bitfocus Companion

Run video, audio and network gear from your deck

Elgato Stream Deck

Elgato Stream Deck

16

Razer DeathAdder V3 Pro

Razer macOS

Choose Razer lighting effects from your Mac

Razer mice, keyboards and headsets

Razer mice, keyboards and headsets

17

Raspberry Pi Pico and Pico W boards, including variants with presoldered headers, for DIY controller builds

GP2040-CE

Remap and tune your arcade controller

RP2040 arcade controllers

RP2040 arcade controllers

18

NVIDIA GeForce RTX 4090 graphics card.

gpu-burn

Stress-test NVIDIA GPUs and check calculation errors

NVIDIA GPUs

NVIDIA GPUs

19

Corsair K100 RGB Optical-Mechanical keyboard on a transparent background

liquidctl

Control USB coolers, fans and lighting from a terminal

Corsair keyboards, mice, headsets and PC lighting

Corsair keyboards, mice, headsets and PC lighting

20

HeadsetControl

Control USB headset settings from a terminal

Corsair keyboards, mice, headsets and PC lighting

Corsair keyboards, mice, headsets and PC lighting

21

OpenLinkHub

iCUE Link fans, AIOs and RGB on Linux

Corsair keyboards, mice, headsets and PC lighting

Corsair keyboards, mice, headsets and PC lighting

22

Polychromatic

Razer lighting effects and a tray applet on Linux

Razer mice, keyboards and headsets

Razer mice, keyboards and headsets

23

StreamController

A Linux app for your Stream Deck, with plugins

Elgato Stream Deck

Elgato Stream Deck

24

Logitech MX Master 3S mouse in graphite, top view, on a transparent background

g810-led

Set Logitech G keyboard lighting from Linux

Logitech mice and keyboards

Logitech mice and keyboards

25

NVIDIA GeForce RTX 4090 graphics card.

GPU Unlock

Use fuller tensor rates on supported RTX 30 cards

NVIDIA GPUs

NVIDIA GPUs

26

Keychron Q1 keyboard with rotary knob, viewed from above

Vial

Change your keyboard layout without reflashing

Programmable mechanical keyboards

Programmable mechanical keyboards

27

APC Back-UPS BX750MI battery backup

PeaNUT

See battery backup status in one browser dashboard

UPS battery backups

UPS battery backups

28

Keychron Q1 keyboard with rotary knob, viewed from above

VIA

Remap a supported keyboard in your browser

Programmable mechanical keyboards

Programmable mechanical keyboards

29

Raspberry Pi Pico and Pico W boards, including variants with presoldered headers, for DIY controller builds

Joypad OS

Use modern controllers with more gaming systems

RP2040 arcade controllers

RP2040 arcade controllers

30

Dell UltraSharp U2723QE monitor on its stand

ddcutil

Script monitor brightness and input changes

Computer monitors

Computer monitors

31

Ledger Nano X with its silver swivel cover open.

Specter Desktop

Use hardware wallets with your Bitcoin Core node

Ledger Hardware Wallets

Ledger Hardware Wallets

32

Black Apple iPod classic, sixth generation, 120 GB

Rockbox

Play more audio formats with Rockbox

Apple iPod

Apple iPod

33

Stream Deck MK.2 with 15 lit keys on its stand, alone on a plain light background

StreamDeck Home Assistant Plugin

Home Assistant entities on Stream Deck buttons

Elgato Stream Deck

Elgato Stream Deck

34

NVIDIA GeForce RTX 4090 graphics card.

GPU Unlock Ada

Enable more tensor throughput on selected RTX 40 cards

NVIDIA GPUs

NVIDIA GPUs

35

Dell UltraSharp U2723QE monitor on its stand

DDCcontrol

Control monitor settings from Linux

Computer monitors

Computer monitors

36

Stream Deck MK.2 with 15 lit keys on its stand, alone on a plain light background

streamdeck-linux-gui

Run hotkeys and commands from a Stream Deck on Linux

Elgato Stream Deck

Elgato Stream Deck

37

Black Apple iPod classic, sixth generation, 120 GB

iOpenPod

Manage your iPod music without iTunes

Apple iPod

Apple iPod

38

RazerGenie

Set Razer lighting and DPI on Linux with a desktop app

Razer mice, keyboards and headsets

Razer mice, keyboards and headsets

39

Huion H640P tablet and pen on a desk beside a laptop

xsetwacom

Set Wacom pen buttons and screen mapping on Linux

Drawing tablets and pen displays

Drawing tablets and pen displays

40

Stream Deck MK.2 with 15 lit keys on its stand, alone on a plain light background

Home Assistant on Stream Deck

Run Home Assistant buttons from a Stream Deck

Elgato Stream Deck

Elgato Stream Deck

41

Logitune

Options+ style button and scroll setup on Linux

Logitech mice and keyboards

Logitech mice and keyboards

42

Razer DeathAdder V3 Pro

razercfg

Configure older Razer mice with Linux tools

Razer mice, keyboards and headsets

Razer mice, keyboards and headsets

43

APC Back-UPS BX750MI battery backup

Nutify

Track UPS power and battery history in a browser

UPS battery backups

UPS battery backups

44

NVIDIA GeForce RTX 4090 graphics card.

NVIDIA Open GPU Kernel Modules

Use NVIDIA’s open Linux kernel driver

NVIDIA GPUs

NVIDIA GPUs

45

Logitech MX Master 3S mouse in graphite, top view, on a transparent background

JuhRadial MX

Give your MX mouse a radial action menu on Linux

Logitech mice and keyboards

Logitech mice and keyboards

46

M-VAVE FM-1 pocket synthesizer shown from above.

Felucca

Give your FM-1 more synthesis engines

M-VAVE FM-1 Pocket Synthesizer

M-VAVE FM-1 Pocket Synthesizer

47

Ledger Nano X with its silver swivel cover open.

Electrum

Manage Bitcoin with a desktop wallet

Ledger Hardware Wallets

Ledger Hardware Wallets

48

Razer DeathAdder V3 Pro

razer-cli

Script Razer lighting and mouse settings on Linux

Razer mice, keyboards and headsets

Razer mice, keyboards and headsets

49

M-VAVE FM-1 pocket synthesizer shown from above.

SLOOP

Turn your FM-1 into a live groovebox

M-VAVE FM-1 Pocket Synthesizer

M-VAVE FM-1 Pocket Synthesizer

50

Raspberry Pi Pico and Pico W boards, including variants with presoldered headers, for DIY controller builds

HayBox

Tune a Pico controller for precise directional input

RP2040 arcade controllers

RP2040 arcade controllers

51

Stream Deck MK.2 with 15 lit keys on its stand, alone on a plain light background

Companion Satellite

Connect control surfaces to Companion over the network

Elgato Stream Deck

Elgato Stream Deck

52

Dell UltraSharp U2723QE monitor on its stand

ddcui

Adjust monitor controls from a Linux window

Computer monitors

Computer monitors

53

OpenSnek

Configure Razer mice on a Mac over USB or Bluetooth

Razer mice, keyboards and headsets

Razer mice, keyboards and headsets

54

Ledger Nano X with its silver swivel cover open.

Sparrow Wallet

Manage Bitcoin wallets and hardware signing on desktop

Ledger Hardware Wallets

Ledger Hardware Wallets

55

Razer DeathAdder V3 Pro

Razer Nari audio profile

Restore separate Nari game and chat audio

Razer mice, keyboards and headsets

Razer mice, keyboards and headsets

56

Freedom Scientific Focus Blue 80, 40 and 14 braille displays

BRLTTY

Read computer text on your braille display

Focus and PAC Mate displays

Focus and PAC Mate displays

57

M-VAVE FM-1 pocket synthesizer shown from above.

X0X

Turn your FM-1 into an acid and breakbeat groovebox

M-VAVE FM-1 Pocket Synthesizer

M-VAVE FM-1 Pocket Synthesizer

58

Freedom Scientific Focus Blue 80, 40 and 14 braille displays

NVDA

Read Windows apps with speech and braille

Focus and PAC Mate displays

Focus and PAC Mate displays

59

Raspberry Pi Pico and Pico W boards, including variants with presoldered headers, for DIY controller builds

Pinscape Pico

Build a Pico controller for a virtual pinball cabinet

RP2040 arcade controllers

RP2040 arcade controllers