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.
linux osx windows open-source free commercial ci cd config-management go java net nodejs php python ruby
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.
linux windows osx bsd solaris commercial free Quviq Licence http://quickcheck-ci.com/EQC_CI_LICENCE.txt ci
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.
linux windows osx free commercial ci
Tinfoil Security
Thorough web application security testing, with an extensive API, easy to hook into CI and issue tracking tools.
linux windows osx free commercial ci monitoring security
VAddy
VAddy integrates with your existing CI tools and performs robust security checks. Cloud-Based Service Automates Security Tests for DevOps Teams.
linux windows osx free commercial ci cloud security