Apache Karaf - Apache Karaf is a lightweight, modern and polymorphic container powered by OSGi.
Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
GlusterFS - GlusterFS is a scale-out network-attached storage file system.
SonarQube - SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.
containerd - An industry-standard container runtime with an emphasis on simplicity, robustness and portability
CodeClimate - Code Climate provides automated code review for your apps, letting you fix quality and security issues before they hit production. We check every commit, branch and pull request for changes in quality and potential vulnerabilities.