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Demo of the marked parser that compares Markdown flavors and shows HTML, tokens and rendered output.

Live demo of the markdown-it parser, showing rendered output, HTML source and the token tree.

Open-source grammar checker that runs on your own device, so text is not sent to a server.

Open-source machine translation web UI and API; the hosted API needs a key but the page translates text.

Demo of a Notion-style editor that offers AI autocompletion as you write.

Grammar, spelling and style checker for dozens of languages, usable in the browser without installing anything.