Zammad is a web-based, open source user support/ticketing solution.
Wiki.js | A modern, lightweight and powerful wiki app built on Node.js
filebrowser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit your files. It allows the creation of multiple users and each user can have its own directory. It can be used as a standalone app or as a middleware.
Portainer is a simple management solution for Docker. Easily manage your Docker hosts and Docker Swarm clusters via Portainer web user interface.