CircleCI
CircleCI is a hosted continious integration and deployment service that supports mobile, web and containerized apps. It integrates with GitHub seamlessly but with no other version control systems. CircleCI offers a single container to build multiple projects (even private ones) for free. It also supports parallelism with pricing plans.
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ConfigCat
ConfigCat is a feature flags as a service. It gives you a web based dashboard to manage your feature flags + SDKs to integrate those feature flags into your applications. ConfigCat enables you to use the same feature flags in your mobile apps, websites and server-side applications. It offers all features for free. You get an enterprise-ready SLA with the pricing plans.
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PHPCI
Free and open source continuous integration specifically designed for PHP.
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QuickCheck CI
QuickCheck CI is a continuous integration server that runs QuviQ QuickCheck on a project. QuickCheck is a tool for automatically generating test cases from specified properties of the software under test.
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r10k
r10k provides a general purpose toolset for deploying Puppet environments and modules. It implements the Puppetfile format and provides a native implementation of Puppet dynamic environments.
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ReleaseIQ
ReleaseIQ helps companies accelerate software product release cycles while improving quality and efficiency with an Enterprise DevOps Platform that leverages existing CI/CD tools
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RocketGit
Free (as in speech and as in beer) software (AGPLv3+) for hosting Git® projects, both public and private.
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Semaphore
Semaphore is a hosted continuous integration and deployment service for open source and private projects. Its cloud solution helps developers find bugs before they reach users and deliver new features faster.
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Shippable
CI/CD and DevOps automation platform with Docker support that simplifies provisioning, building, testing, and deploying any application anywhere.
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TeamCity
From JetBrains (makers of IntelliJ), TeamCity is a feature packed CI tool with out-of-the-box support for Java, .Net, Ruby and many other languages. It has deep language-aware integration, like maven, RVM, rake, popular testing frameworks, code coverage, etc, and consequently it occupies more resources. It has a liberal free usage license.
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Tinfoil Security
Thorough web application security testing, with an extensive API, easy to hook into CI and issue tracking tools.
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Travis-CI
Travis CI is a hosted CI service free for open source communities. It directly integrates with GitHub, BitBucket and many other version control systems, and offers deep support for a variety of languages. Travis also has an Enterprise version that can be installed on your own servers.
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VAddy
VAddy integrates with your existing CI tools and performs robust security checks. Cloud-Based Service Automates Security Tests for DevOps Teams.
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