Beautify, unpack or deobfuscate JavaScript and HTML, make JSON/JSONP readable, etc.

OpenXML - Create Excel2007 documents in PHP - Spreadsheet engine

Audio experiment

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Snippely is a basic text and code organizational tool. Instead of storing bits of code, quick notes, and memos in text files all over your hard drive, this application will let you save and organize "snippets" in one convenient location.

Exploit database separated by exploit type (local, remote, DoS, Poc, etc.)

The goal of a reset stylesheet is to reduce browser inconsistencies in things like default line heights, margins and font sizes of headings, and so on. Reset styles quite often appear in CSS frameworks, and the original "meyerweb reset" found its way into Blueprint, among others.