Tootfinder

"Of course, not everything made with Python was successful. Suffice to mention the GadflyB5 SQL relational database, or Mercurial; excellent tools in their own right, but shadowed by much more popular options. reStructuredText also is generally dismissed, developers usually prefering Markdown or Asciidoc."
https://deprogrammaticaipsum.com/the-state-of-python-in-2021/