act open source analysis

Project overview

⭐ 67895 · Go · Last activity on GitHub: 2026-01-01

GitHub: https://github.com/nektos/act

Why it matters for engineering teams

Act addresses a common challenge faced by engineering teams working with GitHub Actions by allowing workflows to be run locally before deployment. This open source tool for engineering teams helps developers, DevOps engineers and CI specialists validate and debug their automation scripts in a controlled environment, reducing the risk of errors in production. It is a mature and reliable project with a strong community and over 67,000 stars, indicating widespread adoption and trust. Act is particularly suited for teams that require a production ready solution for CI/CD pipeline testing without relying on cloud runners. However, it may not be the best choice for teams that need full integration with GitHub's cloud environment or require extensive support for complex workflows involving external services.

When to use this project

Act is a strong choice when teams want to test GitHub Actions workflows locally to speed up development and catch issues early. For organisations needing seamless cloud integration or advanced GitHub-hosted features, alternative solutions might be more appropriate.

Team fit and typical use cases

This self hosted option for running GitHub Actions is ideal for software engineers, DevOps professionals and CI/CD specialists who manage automation pipelines. They typically use Act to iterate quickly on workflow scripts and ensure reliability before pushing changes. It is commonly found in engineering teams building cloud-native applications, infrastructure automation, and continuous integration systems.

Topics and ecosystem

Activity and freshness

Latest commit on GitHub: 2026-01-01. Activity data is based on repeated RepoPi snapshots of the GitHub repository. It gives a quick, factual view of how alive the project is.