The Linux distro timeline is an extensive family tree of all things Linux

Most commercial products run a fairly set course; you get Microsoft Office 1.5, then 1.6, 3.0, 4.0, all the way up to office 2010 (For Windows, at least). It's a fairly orderly progression, with version numbers rising over time – pretty easy to follow. Open-source projects are a different beast, however. When enough developers don't like the direction a project is going, they sometimes just