GitHub Actions
The obvious choice if your code's already on GitHub. Workflows live right next to the repo and the marketplace has an action for almost anything.
What is GitHub Actions?
GitHub Actions is GitHub's built-in CI/CD platform, letting you define workflows as YAML files that live directly in your repository and run on events like a push, pull request, or schedule. Because it's built into GitHub itself, there's no separate CI provider to connect, authenticate, or keep in sync with your repo, and its marketplace has a published action for nearly any common build, test, or deploy step you'd otherwise write from scratch.
Key features
- Workflow files live in the repo itself (
.github/workflows), versioned alongside your code - Massive marketplace of reusable, community and vendor-published actions for common tasks
- Matrix builds for testing across multiple OS/language/dependency versions in parallel
- Native integration with GitHub's PR checks, status badges, and deployment environments
- Self-hosted runner support if you need custom hardware or network access beyond GitHub's hosted runners
Who it's for
Any project already hosted on GitHub, which covers most of them. There's little reason to reach for a separate CI provider unless you need something GitHub Actions doesn't do well, like GitLab's more integrated security scanning, or you're specifically trying to consolidate around a non-GitHub platform.
Pricing
Free minutes included on GitHub's free and paid plans (more minutes on paid tiers), with usage-based billing for minutes beyond the included allowance, varying by runner type.