Composum is a set of useful tools and a framework to make it easy to use the Apache Sling framework as a general application development platform. There are some modules published as Open Source and more modules in development to prepare the publishing.
There are four modules available:
Request your own tenant on the Composum Cloud platform and create your first site!
The professional subscription provides some more modules to set up your own enterprise platform. All these modules are available on the Composum Cloud.