via mapu: "CrossOver Chromium is a Mac and Linux port of the open source Chromium web browser. CrossOver Chromium is available for download from CodeWeavers, free of charge."
muCommander is a lightweight, cross-platform file manager featuring a Norton Commander style interface and running on any operating system with Java support (Mac OS X, Windows, Linux, *BSD, Solaris...).
Sunrise is the open-source web browser that based on WebKit framework for Mac. It is light and fast. The concept is to add some convenient functions that the other browsers have not equipped yet. It is using the same rendering engine as Safari.