Library / SDK
Automation & IntegrationAgents & Orchestration
nut.js
1Cross-platform 2library 3automates 4mouse, 5keyboard, 6screen
the six Ws · specification
W1
Who
Built by the nut-tree team for developers automating and testing native desktop applications.
W2
What
Controls mouse and keyboard input, matches images on screen, and manages windows programmatically.
W3
Where
Runs as a Node.js library on Windows, macOS, and Linux, integrating with Jest and Electron.
W4
When
Actively maintained on GitHub with ongoing releases through 2026.
W5
Why
Serves as a foundational building block for desktop test automation and computer-use style agents.
W6
With
Core is built in TypeScript with native bindings, and some pre-built packages require a paid subscription.
W7
Watch
Open source core available on GitHub, license terms vary by package, runs entirely on the local machine.
alternatives