nektos/act
Run your GitHub Actions locally 🚀
What it does
This tool lets software developers test and run their automated build-and-release processes on their own computer, without having to upload changes to GitHub's servers first. It essentially brings GitHub's automation system (which normally runs in the cloud) to a developer's local machine, so they can catch problems faster and work more efficiently.
Why it matters for PMs
Faster feedback loops for developers mean shorter release cycles and fewer costly mistakes caught late in the process — both of which directly impact how quickly a team can ship product. With nearly 69,000 stars on GitHub, this tool has massive adoption, signaling that developer productivity tooling remains a high-demand category with strong community-driven growth.
Early stage — limited signal data
Score updated Feb 18, 2026
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