Loqui IM allows you to use all your chat accounts in just one FirefoxOS or Ubuntu Touch app.
Gaia is a HTML5-based Phone UI for the Boot 2 Gecko Project. NOTE: For details of what branches are used for what releases, see https://wiki.mozilla.org/Release_Management/B2G_Landing
Simple WebKit-powered OpenWebApp launcher
Boot to Gecko aims to create a complete, standalone operating system for the open web.