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 What: '''Thyrd Visual Programming Language''' 
 Where: http://thyrd.org/thyrd
 Description: Thyrd is an experimental, reflective, visual
        programming language and environment. In Thyrd,
        both data and code are stored in cells situated
        in nested two-dimensional grids. All operations
        the user can perform to edit the structure are
        implemented as operators in the Thyrd language, 
        thus a Thyrd program can inspect and modify 
        itself or other programs in the same space. 
        Thyrd belongs to the [Forth] family of languages. 
        It most resembles [Joy] in that it uses quotation
        and combinators to implement iteration and 
        recursion.

        Thyrd is implemented in [Tcl]/[Tk] using [TkZinc] and
        [Poet]. Thyrd also resembles Tcl in that [EIAS]
        is a fundamental principle of the language.
Currently at version 0.2.0.
Updated: 11/2008
Contact: See web site
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