Parsoid/Users

Wikimedia

 * VisualEditor -- Parsoid provides HTML and converts modified HTML back to wikitext on page save
 * Flow -- Parsoid provides a wikitext editor for HTML discussions
 * PDF rendering -- Parsoid provides the structured HTML input for conversions to LaTeX, PDF (both via PDF and phantomjs) and other offline formats
 * Mobile Content Service is working on using structured Parsoid HTML+RDFa as the input for both mobile web & apps
 * The Content translation project is aiming to translate Parsoid HTML with the help of machine translation and data sources like Wikidata. Parsoid is used to get semantic HTML + RDFa from an article in another language, and to convert the translated HTML+RDFa back to wikitext for a new article.
 * Linter extension -- This recently developed extension exposes Parsoid-identified wikitext markup errors to editors for fixup. As of March 2017, this extension is in the process of being rolled out to Wikimedia wikis.

Gadgets

 * Google translate based new page tool for Czech -> Slovak, Google translation; the Parsoid HTML is translated and then converted back to wikitext.
 * Jackmcbarn's editProtectedHelper -- specialized template editor; Parsoid HTML is edited and converted back to wikitext

Third party tools

 * Kiwix -- Offline Wikipedia reader for smartphones, desktops etc; Parsoid provides structured HTML
 * Google knowledge graph team -- extracts semantic information from Wikipedia pages; Parsoid provides structured HTML.
 * Nell's Wikipedia -- Offline/online reader for literacy learning. See "Learning Literacy with Wikipedia" presentation at Wikimania 2014.