urxvt has composited transparency
Message from 2022
This post is pretty old! Opinions and technical information in it are almost certainly oudated. Commands and configurations will probably not work. Consider the age of the content before putting any of it into practice.
URxvt*background: rgba:0000/0000/0000/aaaa URxvt*foreground: grey80 URxvt*colorBD: white URxvt*font: xft:Lucida Typewriter:pixelsize=10 URxvt*depth: 32 URxvt*scrollBar_right: true URxvt*saveLines: 32768 URxvt*scrollTtyOutput: false URxvt*scrollWithBuffer: true URxvt*geometry: 102x44 URxvt*termName: xterm-color
Compiz is pretty sweet, rough around the edges (I wish there were some nice-looking decorator themes that weren’t vista ripoffs) but worth the trouble for some people. Some time I’m going to get around to messing around with shaders and write a plugin or something.