Top 7 CI/CD Tools to Explore in 2025

Continuous Integration and Continuous Delivery/Deployment (CI/CD) is one of the core foundations of modern software development. They bring such a degree of automation and efficiency that it is almost impossible to imagine that there was an era when software was not built like that. Advanced methodologies such as DevTestOps, TestOps, and test scalability further confirmed CI/CD as an inherent practice.

As we look ahead, the importance of CI/CD tools is only expected to grow. It is driven by the increasing complexity of software systems, the need for faster delivery cycles, and the demand for higher quality and reliability. But before delving into the tools used to implement these practices, let’s first explore what they are, and the benefits they offer.

Continuous Integration

It is a software development practice based on regular merging of code changes from multiple contributors into a central repository. After each code integration, automated builds and tests are triggered to make sure that new changes do not introduce errors. This frequent integration allows teams to detect and address issues early. It brings in code consistency, quality, and ultimately speeding up the software release process.

In a continuous integration workflow, developers often commit code changes daily, if not multiple times daily. As soon as changes are committed, the system automatically compiles the source code, runs unit and integration tests. It then provides immediate feedback to developers about the state of their code.

This automation maintains rapid detection of integration errors and a consistent and deployable codebase. Thus, reducing the overhead and challenges of manual integration.

Continuous Deployment

It is an advanced software development practice where any code change that passes automated testing is automatically deployed to a production environment without manual intervention. Through this new features, bug fixes, and other changes are delivered to users as quickly as possible. It helps in having a faster and more responsive development cycle. The main idea is to make deployments a routine activity that can occur reliably anytime, enabling constant improvements and updates.

The effectiveness of Continuous Deployment depends on a robust automated testing framework, real-time monitoring, and quick rollback capabilities. Because each change is immediately deployed to production, the automated tests must be comprehensive to prevent the introduction of bugs or security vulnerabilities.

Additionally, monitoring tools continuously scrutinize the system to check it’s performing as expected. While a rollback strategy provides a safety net in case of unforeseen issues. These elements create a highly agile, responsive, and efficient development process.

Continuous Delivery

It is a software development methodology that focuses on automating the entire software release process. It starts from the development and ends at deployment, to make sure that the code is always in a state ready for production. It extends the principles of Continuous Integration by adding additional layers of automation for testing, environment setup, and code deployment. With Continuous Delivery, every code change goes through automated pipelines that compile, test, and stage the code. Thus, making it ready for release to production at any time.

What sets Continuous Delivery apart from Continuous Deployment is usually the presence of a manual “gate” before the code goes live in production. This manual approval process allows for human intervention for final checks, coordination with business schedules, or other validation steps. By doing so, Continuous Delivery gives organizations the flexibility to decide when to release new changes while making sure that they can do so reliably and quickly whenever they choose.

How CI/CD Helps?

The popularity of Continuous Integration and Continuous Deployment/Delivery (CI/CD) has surged over the past two decades. This is primarily due to a combination of technological advancements and shifts in software development methodologies. Initially, software development often followed “waterfall” models, which were highly structured but inflexible. This changed with the rise of Agile and DevOps movements. They have a more iterative development, closer collaboration between development and operations, and a focus on delivering value to customers quickly and efficiently.

Technological enablers like cloud computing and containerization are important in popularizing CI/CD. Cloud services made it easier to automate the provisioning and scaling of resources. At the same time, container technologies like Docker allowed for consistency across different stages of development, making it more straightforward to move from development to production. Read: What are Docker and Kubernetes and why do I need them?

Furthermore, the proliferation of tools designed to facilitate CI/CD processes, such as Jenkins, GitLab CI/CD, and Travis CI, made adoption easier. The rise of open-source communities sharing best practices and tools contributed to the collective knowledge around CI/CD, making it more accessible.

The ability to release quality software quickly has become a competitive advantage, further solidifying the importance and popularity of CI/CD.

Top CI/CD Tools

Here, we have listed the top 7 CI/CD tools that might help you to manage your CI/CD pipeline efficiently.

GitHub Actions

GitHub Actions is deeply integrated into GitHub, allowing developers to build, test, and deploy their applications seamlessly within their repositories. It supports event-driven workflow automation using YAML-based configuration files, making it easy to customize pipelines for various development tasks. With native support for GitHub repositories, it provides an intuitive experience for teams already using GitHub. Thus, reducing the need for third-party integrations.

Do you think GitHub Actions will eventually replace Jenkins as the most widely used CI/CD tool? Why or why not?

Its parallel execution, matrix builds, and extensive marketplace of pre-built actions help streamline CI/CD processes while improving efficiency. GitHub Actions supports both cloud-hosted and self-hosted runners, offering flexibility for different infrastructure needs.

GitHub Actions: Key features

• GitHub Actions is built directly into GitHub, enabling seamless automation for repositories without external CI/CD tools.
• Workflows are defined using YAML files, allowing for easy customization and version control.
• Supports triggering workflows based on various events like push/pull requests, issue creation, and scheduled jobs.
• Enables running multiple jobs concurrently and testing applications across different environments, OS versions, and dependencies.
• Provides a vast ecosystem of pre-built actions that developers can reuse to simplify pipeline creation.
• Offers flexibility to run workflows on GitHub-hosted machines or self-hosted infrastructure for better control.
• Ensures secure handling of API keys, credentials, and other sensitive data within workflows.
• Natively supports Docker and Kubernetes deployments, making it ideal for cloud-native applications.
• Provides detailed logs, real-time workflow monitoring, and debugging capabilities for better visibility into CI/CD pipelines.

License cost: GitHub Actions offers a free tier with limited runner minutes for public and private repositories, while paid plans (GitHub Pro, Team, and Enterprise) provide additional compute resources and advanced features.

Who should use: Ideal for developers, startups, open-source contributors, and enterprises already using GitHub for version control, as it provides seamless integration and automation within the GitHub ecosystem.

Not suitable for: Organizations that heavily rely on multiple version control systems (e.g., GitLab, Bitbucket, SVN) or require advanced on-premises CI/CD infrastructure with complex workflows that demand extensive customization beyond GitHub’s ecosystem.

Jenkins

It stands out as one of the leading CI/CD solutions today. This open-source, Java-based platform works with various operating systems like macOS, Windows, and Linux. It offers real-time testing and reporting features and integrates with popular cloud services such as Microsoft Azure, Google Cloud, DigitalOcean, and AWS. The platform also provides essential pipeline modeling and implementation tools through its domain-specific language, making it user-friendly for developers.

Boasting a large and active user community, Jenkins also offers a rich ecosystem of over 1,900 plugins. Its open-source nature, robustness, and flexibility make it an attractive option for organizations of all sizes— from established enterprises to startups.

Jenkins: Key features

• Easy installation and upgrade across Windows, Linux, and macOS platforms
• User-friendly interface for simple navigation and use
• Highly extensible with a vast ecosystem of 1900+ community-contributed plugins
• Convenient environment configuration through the user interface
• Supports distributed builds via a controller-agent architecture
• Allows build schedules to be generated based on expressions
• Enables shell and Windows command execution in pre-build steps
• Provides notifications on build status
• Free and open-source, making it suitable for both startups and large organizations
• 19.2K stars and 7.5K forks on GitHub underline its popularity
• Capable of parallel work execution to meet complex CD requirements
• Stand-alone Java application installer in .war format for quick setup

License cost: Open-source and free to use.

Who should use: Jenkins is best suited for developers and teams looking for an open-source option with vast customization capabilities through plugins. It’s ideal for those who need a highly customizable CI/CD tool and have the technical skills to manage and configure it.

Not suitable for: Jenkins might require additional plugins and configurations to fully support modern, cloud-native technologies like Kubernetes and Docker at scale. It will need setup, maintenance, and occasional troubleshooting,

Azure DevOps

Azure DevOps CI/CD, part of the Azure DevOps suite, is a cloud-based automation tool that helps teams build, test, and deploy applications efficiently across multiple platforms. It supports both YAML-based and visual pipeline configurations, making it suitable for developers with different levels of expertise. With deep integration into the Azure ecosystem, it is an ideal choice for teams using Azure services, Kubernetes, and cloud-based deployments.

Azure DevOps pipelines also offer multi-platform support, allowing workflows to run on Windows, Linux, and macOS environments. Its built-in testing tools, security features, and compliance controls provide enterprise-grade reliability and governance.

For those using Azure DevOps, do you find it a better fit than alternatives like GitLab CI or CircleCI? What’s your experience?

Azure DevOps: Key features

• Enables CI/CD pipelines to run on Windows, Linux, and macOS. Thus, making it highly versatile for different development environments.
• Offers both YAML-based pipeline automation for experienced users and a visual editor for simplified configuration.
• Supports automated testing frameworks, including unit tests, functional tests, and load tests. This provides high software quality.
• Have continuous deployment on various environments. This includes Azure, AWS, Google Cloud, and on-premises servers.
• Provides deep integration with Azure services like Azure Kubernetes Service (AKS), Azure Functions, and Azure App Services for smooth cloud deployments.
• Provides native integration with Docker, Helm, and Kubernetes, simplifying containerized application deployment.
• Designed to handle large-scale CI/CD pipelines, making it an excellent choice for enterprises requiring high availability and automation.

License cost: Azure DevOps offers a free tier with limited build minutes and users, while with paid plans, the pricing depends on the number of users, additional features, and hosted agent usage.

Who should use: Best suited for enterprises, mid-to-large-sized teams, and organizations leveraging Microsoft technologies and Azure services. It is an excellent choice for teams using .NET, C#, Windows-based applications, Kubernetes, and cloud-native workloads.

Not suitable for: Teams that primarily work with AWS, Google Cloud, or alternative DevOps ecosystems may find Azure DevOps less flexible. It is also not ideal for smaller teams or startups that do not require enterprise-level security and compliance features.

GitLab CI

GitLab CI is a versatile CI/CD platform operating on Windows, macOS, and Linux, offering a unified dashboard with Continuous Integration, Continuous Delivery, and code reviews. Designed with user-friendliness, it includes time-saving caching options and seamlessly integrates with GitLab’s core features, such as issue tracking and analytics. The platform also allows for custom pipeline design through its Shell Executor and supports Kubernetes integration. GitLab CI accommodates scripts for builds, tests, and deployments in a .gitlab-ci.yml file executed by the GitLab runner tool.

Besides CI/CD capabilities, GitLab offers a robust Git versioning system and additional code security features like SAST/DAST scanning. This all-in-one platform caters to teams of all sizes and aims to streamline development. Here is the GitLab CI quickstart guide.

GitLab CI: Key features

• Offers a unified dashboard for managing code and project data through branching tools
• Utilizes a single distributed version control system for rapid project iteration and value delivery
• Serves as a single source of truth for scalable projects and code collaboration
• Fully automate source code build, integration, and verification, encouraging CI adoption
• Provides comprehensive security features, including container scanning, SAST, DAST, and dependency scanning for secure and license-compliant applications
• Automates and expedites the release and delivery of applications
• Offers developer APIs for third-party integration
• Cross-platform availability on Windows, Linux, and macOS
• Executes parallel builds to reduce build time and allows cache sharing between branches
• Supports custom pipeline definitions and easy migration from other CI/CD tools like Jenkins or CircleCI
• Enables build triggering through GitLab CI’s shell executor
• Simplifies the creation of automated testing pipelines, including compatibility with Selenium Grid
• Allows job status tracking through the dashboard or Slack integration
• Supports custom labeling for jobs and builds artifact storage in S3 or GitLab accounts

License cost: GitLab provides free usage for personal projects and small teams. You can use a ‘Premium’ subscription for advanced CI/CD and multi-team usage. Opt for ‘Ultimate’ features for critical projects requiring vulnerability management, scanning, and compliance.

Who should use: GitLab is a comprehensive DevOps platform offering source code management and CI/CD in a single application. It’s ideal for teams seeking an integrated solution for the entire software development lifecycle. You can handle planning, source code management, CI/CD, security, and more.

Not suitable for: If your CI/CD process requires highly specialized or customized environments that are not well-supported by GitLab CI out-of-the-box, you might need to invest significant effort to adapt GitLab CI to your needs.

Travis CI

It is a cloud-based Continuous Integration (CI) service that automatically builds and tests projects upon each new commit to a GitHub repository. Written in Ruby, the tool is versatile, supporting various programming languages like Node.js, Java, Python, PHP, C#, and more. Initially launched for open-source projects, it has since expanded its services to accommodate enterprise-level and private projects.

The platform offers seamless integration with various version control systems, including GitHub and Bitbucket, and it’s entirely free for public repositories. It also enables testing across Linux, macOS, and Windows operating systems. Travis CI provides different packages tailored for the open-source community and enterprises wishing to use the platform in a private cloud or self-hosted setup.

Travis CI: Key features

• Provides a quick setup and user-friendly configuration
• Use the live build monitoring for GitHub projects
• You have comprehensive pull request support
• Deployment to multiple cloud services, including AWS, Google Cloud, Kubernetes, and Azure
• Over 300,000 active projects use Travis CI
• Automatic deployments upon successful builds
• Fresh VMs allocated for each build
• Broad OS support, including macOS, Linux, and Windows
• Supports a wide range of programming languages, including but not limited to Java, C#, Python, and Node.js
• With Travis CI Enterprise, you can have security and seamless integration with GitHub and Bitbucket
• Utilizes proprietary YAML syntax for CI/CD pipelines, with easy integration into GitHub Enterprise tools
• Build matrix capability can be used for parallel builds across different environments/languages
• Integrates with cross-browser testing tools for example: LambdaTest
• Works with multiple cloud hosting providers

License cost: Travis CI offers various plans that you can select based on your project requirements. There are ‘Usage Based’, ‘Unlimited’, and ‘Server’ custom plans available.

Who should use: TravisCI suits open-source projects and startups seeking an easy-to-use CI/CD service. Its simple setup and integration with GitHub make it a solid choice for projects requiring a straightforward CI/CD process without extensive customization.

Not suitable for: Travis CI is primarily a cloud-based service, which might not suit organizations with strict requirements for on-premises CI/CD solutions due to security, regulatory, or data sovereignty reasons. If your CI/CD workflow relies heavily on parallel or matrix builds to test across multiple environments simultaneously.

CircleCI

CircleCI is a robust cloud-based CI/CD platform that integrates seamlessly with GitHub, GitLab, and Bitbucket repositories. It offers a cloud-managed service and an on-premise solution, catering to different project needs. Users can automate their entire development pipeline, from code creation to testing and deployment, through CircleCI’s web-based interface. The platform supports various programming languages and is compatible with Windows, Linux, and macOS environments.

Use proprietary YAML syntax and easily setup automated workflows, which streamline building, testing, and deploying code. Its standout features include real-time build monitoring, end-to-end testing capabilities, and strong security credentials, being FedRAMP and SOC II compliant. This focus on speed, security, and flexibility aims to enhance developer confidence, thereby reducing cycle times and increasing deployment frequency. Notifications can be generated at various stages to keep teams informed.

CircleCI: Key features

• Integrates with Bitbucket, GitHub, and GitHub Enterprise
• Supports running builds on containers or virtual machines
• Enables continuous and branch-specific deployment
• Highly customizable with optimal caching and parallelism
• Supports automated merging and custom package upload commands
• Utilizes ‘Workflows’ for CI/CD pipelines
• Supports a wide range of programming languages out-of-the-box
• Allows build splitting across multiple containers for reduced build time
• Integrates with third-party tools through CircleCI Server, its on-premise offering
• Features reusable code snippets known as CircleCI Orbs to accelerate integration
• Customizable web interface for real-time build progress tracking
• Incorporates SSH for in-depth build problem investigation
• Allows data reuse through easy-to-configure caching
• Supports self-hosted runners for specific platforms

License cost: Use a free trial to get 6000 build minutes and five active users/month. There are two offerings for the cloud: ‘Performance’ (pay-per-use) and ‘Scale’ (enterprise-level).

Who should use: CircleCI suits businesses of all sizes, prioritizing efficiency and reliability in their CI/CD process. Its managed service option is perfect for teams that prefer not to maintain their own CI/CD infrastructure, offering cloud-based and on-premise solutions to meet various compliance and security needs.

Not suitable for: CircleCI is highly flexible and configurable, which is a strength for many but can be a drawback for teams looking for a more guided or opinionated approach to CI/CD workflows. Teams or individuals who prefer using a GUI for creating and managing CI/CD pipelines might find other tools more user-friendly.

Bamboo

Bamboo by Atlassian is a robust, enterprise-grade CI/CD platform designed to streamline software development processes. It seamlessly integrates with Atlassian’s other products like Jira, Bitbucket, and Confluence, providing a one-stop solution for build management, functional testing, and deployment. Optimized for large corporations, Bamboo supports multiple programming languages and platforms, including Windows, Linux, and macOS.

The tool enhances build performance through parallelism and automates various steps in the software lifecycle, from code integration to production release. Its multi-project plan feature consolidates different build plans into one interface, enhancing visibility and control. Bamboo improves developer efficiency and reduces cycle times by enabling early issue detection.

Bamboo: Key features

• Supports up to 100 remote build agents for parallel builds and testing
• Quickly runs batches of tests in parallel and provides feedback
• Creates and pushes images into registries
• Features per-environment permissions, enabling selective deployment while keeping production locked down
• Automatically detects and applies CI schemes to new branches in Git, Mercurial, and SVN repositories.
• Trigger builds based on repository changes and supports push notifications from Bitbucket.
• Offers seamless migration from open-source CI/CD platforms like Jenkins
• Available in both self-hosted and cloud-based variants
• Supports builds in multiple languages, including Java, Ruby, Python, and Go
• Allows for the customization of build environments and extends existing behavior through custom rules
• Provides comprehensive visibility into the code’s status throughout its lifecycle
• Builds can run on either cloud or on-premise agents

License cost: Bamboo bases its pricing on agents, not users’ seats. Use multiple agents and divide the test suites into parallelized batches. This allows you to run multiple builds simultaneously. Your team gets feedback on their changes quickly. It provides a 30-day free trial.

Who should use: Buddy is designed for web developers looking for a straightforward and visually intuitive CI/CD tool. It excels in automation for web development projects. This makes it an excellent choice for teams that want to deploy websites and web applications with minimal configuration.

Not suitable for: Bamboo’s lack of a free tier makes it less attractive for open-source projects. Bamboo does not offer a free tier, and its licensing costs might be prohibitive for small teams, startups, or individual developers looking for a cost-effective CI/CD solution.

Continuous Testing

In the current market, Continuous Testing is integrated into the CI/CD pipeline, and it automates testing at every development stage, providing instant feedback on code quality. This contrasts with traditional methods that test only at certain phases. Continuous testing occurs as code is developed, merged, and deployed, enabling ongoing quality assurance. It covers a broad spectrum of automated tests- unit, integration, functional, and more, triggered by any code change. Seamlessly incorporating CI/CD tools ensures an uninterrupted pipeline of quality checks, helping to catch and mitigate issues as soon as they arise. This facilitates a more reliable and secure software development lifecycle.

To make continuous testing more effective, it’s always better to use one tool to support all the testing types mentioned above. This is where testRigor stands out. There are a few advantages to why testRigor is a preferred continuous testing tool:

• Generative AI – With the assistance of generative AI, testRigor can craft the test case entirely; the QA team only needs to provide the test case title or description. This approach facilitates even non-technical stakeholders to generate automation scripts effortlessly.
• Parsed English – testRigor uses parsed English to create test scripts, enabling anyone to modify or create them without deep technical expertise. It also removes the need for conventional programming languages. Unlike traditional automation tools, testRigor doesn’t demand extensive maintenance, facilitating swifter release cycles.
• Seamless Integration with CI/CD Tools – testRigor seamlessly integrates with most of the CI/CD tools mentioned above.
• A Single Tool for All Testing Needs: You can write test cases across platforms: web, mobile (hybrid, native), API, desktop apps, and browsers using the same tool in plain English statements.
• Test AI Features: This is an era of LLMs and using testRigor you can even test LLMs such as chatbots, user sentiment (positive/negative), true or false statements, etc. Read: AI Features Testing and Security Testing LLMs.

Do you think AI and machine learning will play a bigger role in optimizing CI/CD pipelines in the next five years?

If you’re looking for the best tool to handle all your functional and end-to-end testing needs, you should try testRigor if you’re not using it already. It is the most efficient way to create and maintain functional test cases. Read: All-Inclusive Guide to Test Case Creation in testRigor.

Conclusion

Exploring the right CI/CD tools is crucial for DevOps success. Top tools like Jenkins, GitLab, and CircleCI continue to dominate, offering robust features for automation and scalability. The rise of Continuous Testing, integrated within CI/CD pipelines, has only amplified the need for seamless, automated solutions.

Intelligent test automation tools such as testRigor are making a mark by providing specialized, AI-driven testing capabilities focusing on the end-user experience. Choosing a tool that aligns with your organization’s needs while allowing for Continuous Testing will be the key to a more efficient and effective DevOps strategy.

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Source: https://testrigor.com/blog/ci-cd-tools/?utm_source=LinkedInPosts

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