Robot framework is an open-source automation framework, and it is implemented by Selenium with Python. It is executed by Jython (JVM) and Iron Python (.NET). Robot Framework is an automation framework for acceptance testing and acceptance test-driven development testing.

Jenkins is a Continues integration testing tool. It is an open source automation server used to build a software, test and deploy the software. There are many plugins are available in Jenkins tool.  

Cucumber is a software testing tool used to automate ‘Acceptance tests’. Cucumber supports Ruby & Java for writing test scripts, and it uses “Selenium Web Driver or Watir Web Driver” for simulating browser windows.