The Ray Tracing in One Weekend series of books
Low output latency streaming HTML parser/rewriter with CSS API
A concise API for exploratory data visualization
Static site generator that supports Markdown and reST syntax
Polyfill for the HTML dialog element
Free Introduction to Bash Scripting eBook
Convert HTML to PDF using Webkit (QtWebKit)
Use RMarkdown to generate PDF Conference Posters via HTML
Javascript-based HTML compressor/minifier (with Node.js support)
Lightweight framework for old-school RPG GUI in web!