*GIT*: GIT is a version control system which allows you to track changes in your file and, by using it you can easily coordinate the work among your team
*JENKINS*:Jenkins is a continuous integration server written in Java. You can use it for testing and reporting changes in near real time. Being a developer, it will help you to find and solve bugs in your code rapidly and automate the testing of their build.
*SELENIUM* : Selenium is a portable software testing framework for web applications. It provides you with an easy interface for developing automated tests
*DOCKER* : A lightweight tool which uses container to package up an application with all the requirements and dependencies before shipping the complete container as one package
*Puppet* :An open-source configuration management tool, use to automate the method of inspecting, delivering and operating your software across the entire lifecycle with platform independency.
*Chef*: Chef is a powerful configuration management automation tool using which you can transform infrastructure into code.
*Ansible*:Ansible is an open-source tool which provides one of the simplest ways to automate your apps and IT infrastructures such as network configuration, cloud deployments, and creation of development environments.
*Nagios*: Nagios is a powerful monitoring system which enables you and your organization to identify and resolve IT infrastructure problems before they affect critical business processes.
*ELK Stack*:ELK is a combination of three powerful, opensource tool: Elasticsearch, Logstash and Kibana used to collect insights out of your logs or data.
*Splunk*:Splunk is a software platform to search, analyze and visualize the machine-generated data or logs gathered from the websites, applications, sensors, devices etc. which make up your IT infrastructure and business.