Tweak programming environment

Graphical user interface layer for the Squeak development environment

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Tweak is a graphical user interface (GUI) layer written by Andreas Raab for the Squeak development environment, which in turn is an integrated development environment based on the Smalltalk-80 computer programming language. Tweak is an alternative to an earlier graphic user interface layer called Morphic. Development began in 2001.^[1]

Applications that use the Tweak software include Sophie (version 1), a multimedia and e-book authoring system, and a family of virtual world systems: Open Cobalt, Teleplace, OpenQwaq, 3d ICC's Immersive Terf and the Croquet Project.

Influences

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An experimental version of Etoys, a programming environment for children, used Tweak instead of Morphic.^[2] Etoys was a major influence on a similar Squeak-based programming environment known as Scratch.