act open source analysis

Run your GitHub Actions locally ๐Ÿš€

Project overview

โญ 67230 ยท Go ยท Last activity on GitHub: 2025-12-01

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: the need to test and debug workflows locally before pushing changes to a remote repository. This open source tool for engineering teams allows developers, DevOps engineers, and CI specialists to run GitHub Actions workflows on their local machines, speeding up iteration and reducing the risk of broken pipelines. It is mature and reliable enough to be used as a production ready solution for validating CI configurations in complex projects. However, Act may not be the best choice if your workflows rely heavily on cloud-specific services or environments that cannot be easily replicated locally, as this can limit its effectiveness and accuracy.

When to use this project

Act is particularly strong when teams want to quickly validate and troubleshoot GitHub Actions workflows without waiting for remote runs. Teams should consider alternatives when their workflows depend on external cloud resources that require integration testing in a live environment.

Team fit and typical use cases

DevOps engineers and software developers benefit most from using Act as a self hosted option for testing CI workflows locally. It is typically used to catch configuration errors early and speed up development cycles in projects that rely heavily on GitHub Actions for continuous integration and deployment. This tool is well suited for teams building cloud-native applications, microservices, and other software products that require reliable automation pipelines.

Topics and ecosystem

ci devops github-actions golang

Activity and freshness

Latest commit on GitHub: 2025-12-01. Activity data is based on repeated RepoPi snapshots of the GitHub repository. It gives a quick, factual view of how alive the project is.