Prior Art

There are a number of existing tools which help with prototyping and playtesting.  Here, I examine several of them.  Actually comparing them all may prove to be an lifelong task, but I'll keep working on it.  Details on the ones I've done are off to the right, and the ones I'm still planning to get to are here:

Of the tools I've already compared, here's the ordered list, according to how well I feel they fit the bill as an easy to use, general purpose prototyping and playtesting tool:

  VASSAL 79%
  ACTS 70%
  LackeyCCG 67%
  ZunTzu 67%
  Battlegrounds Gaming Engine 63%
  Battlegrounds: RPG Edition 63%
  OCTGN 63%
  Taebl 58%
  FlexibleRules 54%
  Board Games Online 50%
  Protohut 50%
  Wildcard 50%
  Thoth Engine 46%
  ScanPlay 42%
  Virtual Board 42%
  Virtual Card Table 42%
  Aide De Camp 2 38%
  Ditzie 38%
  HexWar 38%
  Sleep Is Death 38%
  CyberBoard 33%
  Magic Workstation 33%
  nanDECK 33%
  O Dream Board 29%
  Apprentice 25%
  Magic Set Editor 20%