Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
XL Deploy - Enterprise-scale Application Release Automation for any environment
OutSystems - Build Enterprise-Grade Apps Fast.
Octopus Deploy - Octopus is a friendly deployment automation tool for .NET developers.
Now Platform - Get native platform intelligence, so you can predict, prioritize, and proactively manage the work that matters most with the NOW Platform from ServiceNow.