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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

  • The 14th European Tcl/Tk User Meeting (aka EuroTcl 2016) took place June 25-26 2016 in Eindhoven, Netherlands. Program details are available on the conference page. Photos and presentations will be available soon.
  • Tcl/Tk 8.6.5 Released!

    The Tcl Core Team is pleased to announce the 8.6.5 releases of the Tcl dynamic language and the Tk toolkit. 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 8.6.5 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

Jun 30, 2016 Writing HTML as if it were Tcl
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tito image
Jun 29, 2016 arithmetic
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