Welcome to the Tcler's Wiki!

What is Tcl?

Tcl is a simple-to-learn yet very powerful programming 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. See more about Tcl at What is Tcl

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. See more about Tk at What is Tk

Tcl Community News

  • This pre-release version of the new wiki is running read-only for most users during testing. You can still create and edit pages over on the old wiki at https://wiki.tcl-lang.org and they will be copied across here periodically (usually once or twice per day).
  • The 25rd Annual Tcl/Tk Conference (aka Tcl2018) will take place October 15-19 2018 in Houston, Texas, USA.
  • The 14th European Tcl/Tk User Meeting (aka EuroTcl 2018) will take place July 6-8 2018 in Munich, Germany.
  • Tcl/Tk 8.6.8 Released! The Tcl Core Team is pleased to announce the 8.6.8 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 8.6.8 sources are freely available as open source from the Tcl Developer Xchange. See also the Tcl/Tk 8.6.8 highlights and changes.

Recent changes

Aug 20, 2018 Tips for writing quality software
Aug 19, 2018 SampleExtension
Aug 18, 2018 trijezdci
Aug 17, 2018 John Ousterhout
Forward-compatible try and throw
Playing 3D
Localized, Scalable Spinbox Widget