echinus is a lightweight window manager for X based on dwm's source code. It manages windows in tiled, maximized, and floating layouts. It is extremely small, rather fast, and supports Xft. It features nice titlebars, multiple desktops, theming support, a simple configuration file, the ability to switch desktops with the mouse wheel, X bitmaps for title buttons, and true transparency support (through xcompmgr). There is no need to recompile or restart X to change its configuration.
dvtm brings the concept of tiling window management, popularized by X11-window managers like dwm, to the console. As a console window manager, it tries to make it easy to work with multiple console based programs like vim, mutt, cmus, or irssi. dvtm is intended to be used where X11 isn't available or over SSH. In conjunction with dtach, it can be seen as a lightweight alternative to GNU screen.
dwm is a fast and simple window manager for X11. It manages windows in tiled and floating layouts. Either layout can be applied dynamically, optimizing the environment for the application in use and the task performed. Windows can be tagged with one or multiple tags. Selecting certain tags displays all windows that are accordingly tagged. dwm is the little brother of wmii.