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.