Bob Rudis. Author, maintainer.
Dave Raggett. Contributor, author.
Original HTML Tidy library
Charles Reitzel. Contributor, author.
Modern HTML Tidy library
Björn Höhrmann. Contributor, author.
HTML5 Support
Kenton Russell. Author, contributor.
xml-viewer integration
Vadim Kiryukhin. Contributor, copyright holder.
vkbeautify library
Ivan Sagalaev. Contributor, copyright holder.
highlight.js library
Lev Muchnik. Contributor, copyright holder.
xml-viewer library