Many, many years back I used Symphony21[0] for an events website. It’s whole premise was build an XML structure via blueprints and then your theme is just XSLT

Many, many years back I used Symphony21[0] for an events website. It’s whole premise was build an XML structure via blueprints and then your theme is just XSLT templates for pages. Gave it up because it turns out the little things are just a pain. Formatting dates, showing article numbers and counts etc. [0] https://www.getsymphony.com/ https://www.getsymphony.com/