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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. Follow the link for more details.
- The 24th Annual Tcl/Tk Conference (aka Tcl2017) took place Oct 16-20 2017 in Houston, Texas, USA.
- The 15th European Tcl/Tk User Meeting (aka EuroTcl 2017) took place July 8-9 2017 in Berlin, Germany. See also 15th European Tcl/Tk Users Meeting 2017.
- Tcl/Tk 8.6.7 Released!
The Tcl Core Team is pleased to announce the 8.6.7 releases of the Tcl dynamic language and the Tk toolkit. This is the seventh 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 8.6.7 sources are freely available as open source from the Tcl Developer Xchange. See also the Tcl/Tk 8.6 highlights and changes.