sq data wrangler
A command-line tool to turn web pages into beautiful, readable PDF
An easy to edit webpage template / cheatsheet
PHP library generating PDF files from UTF-8 encoded HTML
The website vault
Generate critical CSS for your web pages
Simple library that provides standard Unicode emoji for all platforms
The static code analysis tool you need for your HTML
Design responsive HTML emails that work on any device & email client
CLI tool for making HTML presentations with Remark.js using Markdown
Editor for Fixed Width, Csv and Existing Xml files.
csv2odf can convert csv data to formatted spreadsheets and documents.
Another drawing editor for LaTeX with PSTricks & TikZ
Klipse is a JavaScript plugin for embedding interactive code snippets
ANT4DOCBOOK is an ANT task for DOCBOOK
RASD for Oracle
Markup Code generator
The classless CSS reset (perfect for Communists)
A simple static site generator written in Clojure
A CSS only tooltip library for your lovely websites
The granddaddy of HTML tools, with support for modern standards
Open Source HTML5 Web Audio Library