Versions:

0.2.87
0.2.86
0.2.85
0.2.84
0.2.83
0.2.82
0.2.81
0.2.80
0.2.79
0.2.78
0.2.77
0.2.76
0.2.75
0.2.74
0.2.73
0.2.72
0.2.71
0.2.70
0.2.69
0.2.68
0.2.67
0.2.66
0.2.65
0.2.64
0.2.63
0.2.62
0.2.61
0.2.60
0.2.59
0.2.58
0.2.57
0.2.56
0.2.55
0.2.54
0.2.53
0.2.52
0.2.51
0.2.49
0.2.48
0.2.46
0.2.45
0.2.44
0.2.43
0.2.35

Act is an open-source command-line utility that enables developers to execute GitHub Actions workflows locally, eliminating the need to push every minor change to the repository just to test CI/CD behavior. By reading the same YAML syntax used in .github/workflows, act spins up a lightweight Docker container that approximates the GitHub-hosted runner environment, downloading the official action images or community images as specified in the job matrix. This makes it valuable for debugging complex build steps, validating shell scripts, testing matrix strategies, and iterating on composite actions without consuming billable runner minutes or cluttering commit history. The tool supports secrets injection, artifact upload/download simulation, services like Redis or PostgreSQL, and custom environment variables, allowing near parity with cloud runs. Act belongs to the Development / Debugging category and is currently offered at version 0.2.87, representing the 44th public release since the project’s inception on cplee.org. Because it mirrors the GitHub Actions runtime, act is frequently used for pre-commit validation, local reproduction of flaky failures, offline development on airplanes or secure networks, and educational demonstrations of CI pipelines without requiring repository access. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version, and supporting batch installation of multiple applications.

Tags:

act 2

github 27