Software using the W3C Software Notice and License

web browser and web editor

free software that corrects and cleans up HTML and XML documents by fixing markup errors and upgrading legacy code to modern standards

Libwww is an early World Wide Web software library providing core functions for web browsers, implementing HTML, HTTP, and other technologies. Tim Berners-Lee, at the European Organization for Nuclear Research (CERN), released libwww (then also called the Common Library) in late 1992, comprising reusable code from the first browsers (WorldWideWeb and Line Mode Browser).