Side by side
FlaUI vs Puppeteer
Both stand on gui testing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Windows
FlaUI provides a choice of automation frameworks and tools for working with Windows application interfaces. Check the UIA2 and UIA3 limitations against the applications you need to automate.
Visit FlaUI
Free plan APIExtensionLinux+4
Puppeteer provides browser automation and capture tools for JavaScript projects, with Chrome and Firefox support. Its scope is a Node.js reference implementation rather than broad language bindings or large-scale orchestration.
Visit PuppeteerThe facts
| FlaUI | Puppeteer | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Windows | API, Extension, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | github.com | pptr.dev |
| On gui testing software | #16 of 34 | #12 of 34 |
FlaUI: what it does well
- Free, MIT-licensed .NET library.
- Supports Win32, WinForms, WPF, and Store Apps.
- Choose between UIA2 and UIA3.
- Helpers can launch, attach to, or close applications.
- Available through NuGet or source compilation.
What to know first
- UIA2 lacks newer features such as touch.
- UIA2 is a poor fit for WPF and Store Apps.
- UIA3 may have bugs with WinForms.
Puppeteer: what it does well
- Controls Chrome and Firefox.
- Supports screenshots, PDFs, and performance traces.
- Runs headless or with a visible browser.
- Can load and test Chrome extensions.
- Free and open source.
What to know first
- Requires Node 22.12 or later.
- puppeteer downloads Chrome during installation.
- Broader language bindings are outside its scope.
- Large-scale orchestration such as Selenium Grid is out of scope.
Alternatives to FlaUI Alternatives to Puppeteer The whole list