- [mdex_gfm](https://hex.pm/packages/mdex_gfm) - Enable [GitHub Flavored Markdown](https://github.github.com/gfm) (GFM)
- [mdex_mermaid](https://hex.pm/packages/mdex_mermaid) - Render [Mermaid](https://mermaid.js.org) diagrams in code blocks