 Kaehler also became part of the open-source software community-supported Squeak Central Team in 1996, which also included Ingalls, John Maloney, Scott Wallace, and Andreas Raab.It was initially developed out of the Smalltalk-80 at Apple Research Laboratory and was later continued at Walt Disney Imagineering.Squeak was developed as an open and highly-portable language that is written fully in Smalltalk and included the EToys system, which allows children to see the software operation.