Low output latency streaming HTML parser/rewriter with CSS API
HTML to React parser
HTML Loader
HTML parsing/serialization toolset for Node.js.
Validate XML, Parse XML and Build XML rapidly
Tool to work with XML and HTML from Ruby
PostHTML is a tool to transform HTML/XML with JS plugins
Floki is a simple HTML parser that enables search for nodes using CSS
Java library for working with real-world HTML
Ruby HTML and CSS sanitizer
Better markdown parser in PHP
A minimal CSS framework/theme
A fast Java JSON schema validator that supports draft V4, V6, V7, V201
Core part of Jackson that defines Streaming API
Jawn is for parsing jay-sawn (JSON)
Spelling, grammar and style checking on LaTeX documents
The Pedestal Server-side Libraries
A static analyzer for Java, C, C++, and Objective-C
JSON implementation for Ruby
ANT4DOCBOOK is an ANT task for DOCBOOK
Editor for Fixed Width, Csv and Existing Xml files.
Application to inspect text and images of pdf books.
Another drawing editor for LaTeX with PSTricks & TikZ