Frontend Frameworks

Green

A clean, colorful test runner for Python projects.

Status
UnmaintainedNo commits in 651 days.
Last checked
Checked · Oct 10, 2026
License
Open source
Pricing
Free tier · from $0
Visit Green Compare with alternatives

What it is

Green is a fast and user-friendly testing tool that enhances the experience of running tests in Python projects with its colorful output and intuitive interface. It simplifies debugging by providing clear feedback on test results.

Green stands out by offering a clean and colorful output that simplifies the interpretation of test results, making debugging more intuitive for developers compared to traditional test runners.

When it fits — and when it doesn’t

A good fit for

  • Python developers looking to enhance their testing experience with a user-friendly tool that provides clear and colorful output.

  • Teams who want to improve their debugging process by using a test runner that simplifies the interpretation of test results.

Look elsewhere if

  • Projects requiring real-time feedback or continuous integration setups where immediate test execution is critical, as Green focuses on local testing.

  • Developers working primarily with languages other than Python, as it does not support multiple programming languages.

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited language support

    Green is specifically designed for Python projects and does not support other programming languages, limiting its utility in polyglot environments.

  2. 02

    Small community and limited third-party integrations

    The tool has a relatively small user base which results in fewer contributions, plugins, and integrations compared to more established testing frameworks like pytest or unittest.

  3. 03

    Documentation lacks depth for advanced use cases

    While the basic documentation is clear, detailed guides on advanced features and troubleshooting are sparse, making it harder for users to leverage all capabilities of Green.

What it does well

  • Colorful and intuitive test output

  • Fast execution of tests

  • Easy to integrate into existing Python projects

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up Green

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →