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Squeak is an open, highly-portable Smalltalk-80 implementation whose
virtual machine is written entirely in Smalltalk, making it easy to
debug, analyze, and change; it includes among other things:
* a rapid-turn-around Smalltalk-80 compiler,
* a caching-JIT run-time virtual machine (with full source in
Smalltalk),
* large class libraries with portable data and GUI models, and
* an integrated development environment with powerful coding
tools and GUI construction tools.
Squeak was developed at Apple Labs, Walt Disney and has been ported
to a variety of computers (including most flavors of UNIX and Windows).
Compared to other Smalltalk systems, Squeak has 4 important features:
* Portability (to Mac, Windows, WinCE, and many flavors of UNIX);
* Speed (it uses native C for compute-intensive code);
* Price (free, including all source code and the right to distribute
applications!); and
* Sophistication (full Smalltalk-80 language, libraries, and tools).
Squeak comes under an open source license, meaning that you can
download and use it for free.
WWW: http://www.squeak.org/
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