I have been working on an updated version of SeaMonkey 1.1.19 (Firefox 2) for Windows 95 and NT4. I plan to backport CSS features over from newer versions of the browser, as well as modify the browser to work better with the modern web and improve user experience on older OSes. (I plan to include an optional hosts file that blocks Facebook and Google Analytics URLs, which will speed up the web greatly.)   Right now, it is just a rebrand, but I am working on newer features and I do acce