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This is a collaboratively-edited area on the web, dedicated to the Tcl programming language and its extensions, including the Tk graphical toolkit.

What is Tcl?

Tcl is a simple-to-learn yet very powerful language. Its syntax is described in just a dozen rules, but it has all the features needed to rapidly create useful programs in almost any field of application - on a wide variety of international platforms

What is Tk?

Tk is a graphical toolkit for Tcl. It allows you to develop graphical applications that run on Windows, Linux, MacOS X and many other platforms. And not just from Tcl - Tk can be used from many languages including C, Ruby, Perl, Python and Lua.

Tcl Community News

  • has set up a bounty program for improvements to Tcl and certain Tcl packages. For the details of both bounties and rules please follow the 2nd link.
  • Tcl/Tk 8.6.6 Released!

    The Tcl Core Team is pleased to announce the 8.6.6 releases of the Tcl dynamic language and the Tk toolkit. This is the sixth patch release of Tcl/Tk 8.6. We would like to express our gratitude to all those who submit bug reports and patches. This information is invaluable in enabling us to identify and eliminate problems in the core. Tcl/Tk 8.6.6 sources are freely available as open source from the Tcl Developer Xchange. See also the Tcl/Tk 8.6 highlights and changes.

Recent changes to this wiki

Apr 24, 2017 Script termination: results and control
Apr 23, 2017 Yet Another Color Picker
img-yacp image
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