2006: FR049: Of Spirits Taken (Farbrausch & Vacuum)
2005: FR038: Theta (Farbrausch)
2004: Synthematik (Outracks)
2003: FR025: The Popular Demo (Farbrausch)
1997: Second Reality (Smash Designs, C64)
1996: Contrast (Oxygene), Explicit (Hornet and OTM), Machines of Madness (Dubius), Magic View (Dubius), Rotaliator (Dubius), Toasted (Cubic Team & $eeN)
1995: Eden (Psychic Monks), Stars (NoooN)
1994: Religion (Xtacy), Textmode stikes .bak (Shape!)
1993: Crystal Dream II (Triton), Panic (Future Crew), Second Reality (Future Crew)
1992: Crystal Dream (Triton), Unreal (Future Crew)
1991: VectDemo (UltraForce Development)

64KB
2005: Che Guevara (Fairlight)
2004: Beyond (Conspiracy), Kings Of The Playground (Equinox), Paradise (RGBA), Point Blank (Stockholm Syndrome), Saturday Night Scener (Conspiracy), The Prophecy - Project Nemesis (Conspiracy)
2003: Project Genesis (Conspiracy), Zoom3 (AND and Cybermag)
2002: FR019: Poem To A Horse (Farbrausch), FR029: Dopplerdefekt (Farbrausch), Squish (AND)
2001: FR013: Flybye (Farbrausch)
2000: FR08: The Product (Farbrausch)
1996: Paper (Statix and Vic)
1995: Believe (Valhalla), Lasse Reinböng (Cubic Team & $eeN), Magic Carpet (Keen Like Frogs), Stickman's World (C.O.M.A.)
1994: Cyboman 2 (Complex)

4KB
2005: Anorgatronikum (Minas/Calodox), Panoptriptikum (Calodox)
2004: Ex Fabric (Frenetic and kb), FR040 (Exoticorn, Delta9, and Franky), Micropolis (TBC and Mainloop)
2003: Crystal Vision (Conspiracy)
1997: Omniscient (Sanction)
1995: Animate (Schwartz), Havoc (Extreme), Heaven (NoooN)

256 bytes (!)
2004: Boosty (Khamoon/Tube27), City (MZ1453/Gunnars Farvebio), Gandhi (Alvaro Acwellan/Molecoola), Moebius (Cryo/ByTeGeiZ), Tube (Baze/3SC), Ultra (Khamoon/Tube27), Wolf (Khamoon/Tube27)
2003: Blip (yobi/wAMMA)

64 bytes (!!)
2004: Yeah (cryo/ByTeGeiZ)
2001: FR017: Area 51 (Ryg/Farbrausch)

34 bytes (!!!)
2002: FR026: 34b Mul & Cycle (Ryg and Kb/Farbrausch)

and then the 3D-accelerator took over and everything looks the same...
Demos used to be getting more out of the hardware, doing stuff that we never thought possible.
Now they seem to be about looking pretty and the limits aren't being pushed anymore... well, except maybe by Farbrausch

Bonus: Pentium/DOSBox/no floppy fixes for Flight by Sunrise Industry (also works for Greetro)
Bonus: Read-only media fix for TMDC 1-3 demos by tAAt
Bonus: DEP/MCI/cue fix for Lasse Rein Bøng 96 by Submissive