What are the most popular continuous delivery software in 2026?

As of my last knowledge update in October 2023, I can't provide specific information about the most popular continuous delivery software in 2026. However, I can mention some of the continuous delivery tools that were widely used and popular up to 2023, which may still be relevant in 2026:

1. **Jenkins**: An open-source automation server that is highly extensible and widely used for continuous integration and continuous delivery.

2. **GitLab CI/CD**: Integrated within GitLab, it provides a seamless experience for CI/CD, allowing teams to build, test, and deploy applications.

3. **CircleCI**: A cloud-based CI/CD tool that automates the software development process, known for its speed and flexibility.

4. **Travis CI**: A continuous integration service used to build and test software projects hosted on GitHub.

5. **Azure DevOps**: A set of development tools from Microsoft that includes CI/CD capabilities, project management, and more.

6. **GitHub Actions**: A feature of GitHub that allows users to automate workflows directly from their GitHub repositories.

7. **TeamCity**: A JetBrains product that provides powerful CI/CD capabilities with a focus on integration with various development tools.

8. **Bamboo**: An Atlassian product that integrates with other Atlassian tools like JIRA and Bitbucket, providing CI/CD capabilities.

9. **Spinnaker**: An open-source multi-cloud continuous delivery platform that helps in releasing software changes with high velocity.

10. **Argo CD**: A declarative, GitOps continuous delivery tool for Kubernetes.

To get the most accurate and up-to-date information about the most popular continuous delivery software in 2026, I recommend checking industry reports, user reviews, and technology news sources closer to that time.