XL Release - XL Release lets you manage, control and visualize continuous delivery pipelines to find and fix problems early and optimize the process.
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
LaunchDarkly - LaunchDarkly is a powerful development tool which allows software developers to roll out updates and new features.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Octopus Deploy - Octopus is a friendly deployment automation tool for .NET developers.
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.