Wazuh - Open Source Host and Endpoint Security
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Fortinet FortiAnalyzer - Fortinet FortiAnalyzer is a powerful product for Security Fabric Analytics and Automation.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Riemann - Container Monitoring
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.