Portainer
Portainer is a simple management solution for Docker. Easily manage your Docker hosts and Docker Swarm clusters via Portainer web user interface.
Webmin
Webmin is a web-based system configuration tool for Unix-like systems, although recent versions can also be installed and run on Windows.
Budibase
Budibase is an open-source low-code platform that saves engineers 100s of hours building forms, portals, and approval apps, securely.
Docmost
DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
Techno-Rave.de
WordPress is open source software you can use to create a beautiful website, blog, or app.