CodeMirror is a JavaScript library that can be used to create a relatively pleasant editor interface for code-like content ― computer programs, HTML markup, and similar.

A new method for grabbing some placeholder text.

HTML5 outline algorithm test page

Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.

Test websites on various device resolutions

@jabancroft probably not what u r after, but i noticed brett terpstra’s markdown services has a lucky link service:

Bcrypt is a cross platform file encryption utility. Encrypted files are portable across all supported operating systems and processors. Passphrases must be between 8 and 56 characters and are hashed internally to a 448 bit key. However, all characters supplied are significant. The stronger your passphrase, the more secure your data.

Prophero is a program that takes Scripture in various forms, formats it as HTML, and generates a set of related files to create a simple concordance. The resulting set of files does not require any special smarts on a server, so can be directly published to the Web or simply copied to a CD or hard drive for local access.

Input some text, click to match patterns, create regular expression code in all the popular programming languages