The DiSC® Classic Is the world's most-used DiSC product. DiSC Classic traces it's history back to the original DiSC instrument first developed from William Marston's work. The current DiSC Classic is the result of continuing research by Inscape Publishing and embodies the latest DiSC technology.

The DiSC is also available online with DiSC Classic 2.0 and DiSC Classic 2 Plus versions. DiSC Classic is the choice of trainers world-wide. Other DiSC products include DiSC Previews, DiSC Relationship Profile, Everything DiSC, DiSC Action Planners, DiSC Biblical Version, and the Quik DiSC card game.