generic parsers

There are a number of open source tools that ( they say)  should be able to
parse structured text
I found antlr https://www.antlr.org/
do people know of others?

I wonder if we should/could evaluate existing tools to see if they can do
the job befor building an ad hoc one

In addition, I t would be interesting to see the approach for jorge's
parsers for stratml
is this work being done somewhere visible like githug or is it happening
offline?