UserVoice - UserVoice integrates easy-to-use feedback, helpdesk, and knowledge base management tools in one platform that empowers users to speak and companies to understand.
GlusterFS - GlusterFS is a scale-out network-attached storage file system.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
containerd - An industry-standard container runtime with an emphasis on simplicity, robustness and portability
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Apache Karaf - Apache Karaf is a lightweight, modern and polymorphic container powered by OSGi.