Known Automated Web Publishing Systems
This overview is by no means complete. Runtime requirements, licensing and even the language they're written in need to be verified. It should also provide at least some indication of how much each system is actually used.
To get some idea of which systems people would most want to produce more WRI-compliant output, you can cast your votes.
You can vote once, but for multiple systems. Your selection is retained while you navigate the table using the filter options and the next/previous buttons. When you vote, you'll be presented with a list of all the items you selected, which you can review and change before actually casting your vote.