Compare the Top Free Continuous Integration Software as of October 2025

What is Free Continuous Integration Software?

Continuous integration (CI) software automates the process of integrating code changes from multiple developers into a shared repository frequently, often several times a day. It runs automated tests on every integration, helping to detect and address issues early in the development cycle. CI software reduces integration problems by ensuring that code is compatible and functional, catching bugs before they can accumulate. By generating feedback quickly, CI supports fast-paced, collaborative development environments and improves the quality of code releases. Compare and read user reviews of the best Free Continuous Integration software currently available using the table below. This list is updated regularly.

  • 1
    signageOS

    signageOS

    signageOS

    signageOS is the world’s first unification platform for digital signage. signageOS enables CMS, system integrators, and managed solution providers to integrate, deploy, and manage scalable networks of any digital signage hardware. signageOS utilizes modern technologies in an API-first approached to provide unified and standardized APIs for highly efficient digital signage development. signageOS’ single codebase approach and knowledge base derived from years of development with digital signage hardware and platforms ensures that companies build future-proof digital signage networks. Companies around the world are utilizing signageOS to remove their digital signage hardware and software compatibility issues and remotely control every hardware type through a unified system.
    Starting Price: Free, $2.00/device, etc.
  • 2
    Semaphore

    Semaphore

    Continuous Integration Solutions Ltd

    Semaphore is an open-source CI platform that provides powerful out-of-the-box support for monorepo projects. Using Visual Pipeline Builder, every engineer can contribute to CI/CD. Semaphore is the fastest CI/CD service on the market. Goodbye undocumented, manual build setups. Hello reliable continuous delivery! If you prefer a managed service, Semaphore Cloud delivers your projects light years ahead, with flexible pricing and no additional per-user fees. No more tool bloat. With fine-tuned environments for every technology stack, Semaphore helps you build, test and deploy apps across teams without overhead. We don’t drop you at the mouth of the jungle and drive away. We’re committed to your CI/CD success, every step of the way. And have a track record to prove it.
    Starting Price: $0
  • 3
    Giskard

    Giskard

    Giskard

    Giskard provides interfaces for AI & Business teams to evaluate and test ML models through automated tests and collaborative feedback from all stakeholders. Giskard speeds up teamwork to validate ML models and gives you peace of mind to eliminate risks of regression, drift, and bias before deploying ML models to production.
    Starting Price: $0
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