GitHub Actions is described as 'makes it easy to automate all your software workflows, now with world-class CI/CD. Build, test, and deploy your code right from GitHub. Make code reviews, branch management, and issue triaging work the way you want' and is an website in the Development category. There are eight alternatives to GitHub Actions, not only websites but also apps for a variety of platforms, including SaaS, Mac, Windows and Linux. The best alternative is Jenkins, which is both free and Open Source. Other great sites and apps similar to GitHub Actions are Travis CI (Freemium), AppVeyor (Freemium), CircleCI (Freemium) and Crontask (Freemium).
Jenkins is a fork of Hudson and is a continuous build system for software projects. The leading open source automation server, Jenkins provides hundreds of plugins to support building, deploying and automating any project.
Travis CI is a leading provider of continuous integration and delivery services and empowers software development teams to test and deploy their applications with confidence. Teams can easily sync their cloud platform projects with Travis CI to begin testing code in minutes.
Push to deploy. Github integration triggers deployment of your service onto global infrastructure in seconds. Leverage pre-provisioned serverless infrastructure, built with architectural best practices to accelerate your development cycles.