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Provides services for the Tcl programming language and extensions such as Tk and Expect.

Tcl community development tools, downloads, events listing and forums.

Was Scriptics.com, firm founded by Tcl creator, and original sole author, Professor John Ousterhout. Advocacy, tutorials, documentation, links, news, software, latest releases, downloads.

The core development home for Tcl and the Tk toolkit.

Providing a collection of Tcl/Tk plugins and sources as well as links to other resources.