Extra screen saver modules for screensaver frontends

 XScreenSaver is a modular screen saver and locker for X11,
 containing more than 200 screen savers.
 .
 This package contains the rest of the 2D screen saver modules
 from the xscreensaver collection. This package is used by both
 xscreensaver and gnome-screensaver.
 .
 This is the set of non-GL screensavers not shipped by default:
 anemone, anemotaxis, apollonian, apple2, attraction, barcode, blaster,
 blitspin, bouboule, boxfit, braid, bumps, ccurve, celtic, cloudlife,
 compass, coral, crystal, cynosure, decayscreen, deluxe, demon,
 discrete, drift, epicycle, eruption, euler2d, fadeplot, fireworkx,
 flame, flow, fluidballs, fontglide, goop, grav, greynetic, halftone,
 halo, helix, hopalong, ifs, imsmap, interaggregate, interference,
 intermomentary, julia, kaleidescope, kumppa, lcdscrub, ljlatest, loop,
 maze, memscroller, moire2, moire, mountain, munch, nerverot, noseguy,
 pacman, pedal, penetrate, petri, phosphor, piecewise, polyominoes,
 pong, pyro, qix, rd-bomb, rocks, rorschach, rotzoomer, sierpinski,
 slip, speedmine, spotlight, squiral, starfish, strange, substrate,
 thornbird, triangle, truchet, twang, vermiculate, vidwhacker, wander,
 whirlwindwarp, wormhole, xanalogtv, xflame, xjack, xmatrix, xrayswarm,
 xspirograph, zoom.
 .
 More display modes can be found in the xscreensaver-data, xscreensaver-gl
 and xscreensaver-gl-extra packages.