RegViz is a tool for debugging JavaScript regular expressions in a visual way. Advanced highlighting helps you to understand the structure and purpose of a regular expression and to detect bugs therein. You can test the regular expression on a sample text and formulate test cases. We tried to come up with a very user friendly tool.

This demo emulates the Rutt-Etra video synthesizer.

Marksy is a Chrome Extension that converts one markup language to another in your browser.

Convert & alter to PDF

A launchd.plist generator

This is a web interface to compress your JavaScript or CSS.

Convert media files online from one format into another.

Convert your files to various ebook formats, including industry standard ePub. Right in your browser you can easily convert PDF to ePub, DOC to ePub, MOBI, LIT, LRF to ePub and many more. 2EPUB is 100% free online ebook converter.

Input formats: doc, docx, epub, fb2, html, lit, lrf, mobi, odt, pdb, pdf, prc, rtf, txt.

Output formats: epub, fb2, lit, lrf, mobi

Convert your PDF files, ebooks from other readers or just plain text to the ePub format. This format is known by most ebook readers. Upload a file or provide a URL and click on “Convert file”. Optionally you can select the target reader to allow our ebook converter a better accuracy.

EtherCalc is a web spreadsheet.

Etherpad is an Open Source online editor providing collaborative editing