Harness CI
Continuous integration with test selection and build caching
AppVeyor
CI/CD service for Windows, Linux and macOS
Buddy
CI/CD and DevOps automation with visual pipelines
Codefresh
Container-based CI and GitOps delivery, now part of Octopus Deploy
AWS CodeBuild
Managed build and test service on AWS
Google Cloud Build
Serverless CI/CD platform on Google Cloud