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
DeployKit
A generic integration tool built on a Message Queue, to make it easy to communicate events and triggers across various parts parts of the infrastructure. Created to ease the pain of configuring many disparate events in a CI
linux windows osx open-source ci ruby
FastForward
Flexible operating-system event and metric forwarding agent. Receives input and forwards output using plugins.
linux windows osx open-source metrics monitoring ruby
GoCD
Go is a continuous delivery and release management tool, built from the ground up with pipelines in mind, and makes it easy to model complex build and deploy workflows
linux windows osx open-source ci java
Jenkins
Jenkins is an open source, lightweight CI tool written in Java, with high extensibility and a fast release cycle. It was forked from Hudson after Oracle acquired it, and has since added significantly more features than the original
linux windows osx open-source ci java
KairosDB
KairosDB is a fast distributed scalable time series database written on top of Cassandra. RESTful JSON-based query/results. Includes flot-based visualization.
linux windows osx open-source metrics visualization java cassandra
Spinnaker
Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence. It provides two core sets of features: cluster management and deployment management.
linux windows osx open-source cd java