The ZAP by Checkmarx Core project

Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.

Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.

GoCD - Continuous Delivery server main repository

AWS Usage Tool

Free Templates for AWS CloudFormation

Docker container orchestration platform

Open source tools for building custom schedulers on Amazon ECS

A Jenkins plugin for posting notifications to a Slack channel

Co-Process for backup/recovery, Auto Deployments and Centralized Configuration management for ElasticSearch

A tool for configuring, installing, and updating Spinnaker

The EC2 Fleet plugin launches EC2 instances as worker nodes for Jenkins CI server, automatically scaling the capacity with the load.