OffscreenGecko is a library for rendering HTML etc content to offscreen buffers, sitting atop of the Mozilla Gecko rendering engine. The goal is to simplify embedding of Gecko into environments were its output is needed as pixel data, such as 3D engines.
MTBrowser, Program useful for web designers who want to test websites in different web browsers. Detects already installed browsers and opens up a web page/site for testing in all these browsers in one click. Also contains a pixel to % to em converter.