'''Tcl Implementations''' is a brief description of each implementation of Tcl
listed in [Category Tcl Implementations], preceded by the language of its
source code.

%| Impl. Lang. | Implementation | Description |%
&| C | [Tcl] | the definitive implementation and is written in C.  The same code base can be used with different build options or targets, different sets of add-on packages, or different packaging (e.g. as a single binary file).  These variations are distributions of [Tcl] and are covered in [Category Distribution]. |&
&| C| [TinyTcl] | a slimmed-down fork of Tcl 6.7 |&
&| C| [ettcl] | a slimmed-down fork of Tcl 7.x |&
&| C| [PalmTcl] | a fork of Tcl 7.6 for PalmOS v3.x. See also [Small Tcl]. |&
&| C| MicroTcl | a small subset of Tcl 8.4 for the Nebula 2 game/visualisation engine.  See [Small Tcl]. |&
&| C| [Jim]| intended as a small-footprint implementation of Tcl 8.x (not a fork of 7.x or earlier) |&
&| C| [Picol]| a small interpreter in 500 lines of code - described as "an educational toy model only, it is weaker and slower than real Tcl" |&
&| C| [Capicol]| [[please add description]] |&
&| C++| [TinyTcl]| (same name, different project) is a small interpreter written from scratch |&
&| C#| [tclcsharp]| a port of [Jacl] to [.NET] |&
&| C#| [Jacl.NET]| another port of [Jacl] to [.NET] |&
&| C#| [Eagle]| an implementation of Tcl for CLR. |&
&| Parrot| [ParTcl]|  the Tcl implementation for [parrot], the Perl 6 virtual machine |&
&| Java| [Jacl]| intended as a full implementation of Tcl in Java |&
&| Java| [JTcl]| implementation of Tcl 8.4 in Java |&
&| Java| [Hecl]| designed to be small, intended for J2ME cellphones |&
&| JavaScript| [Tcl in JavaScript]| converted from [Picol] |&
&| FORTRAN| [FEMTOL] | |&
&| [Tcl]| ''concept'', [HereTcl], [MicroTcl for Tcl9], [The Very Minimal Tcl Core Command Set], [Titoo: a thought experiment] or T2| [Implement tcl in tcl] |&
&| Haskell| Hiccup | [http://code.google.com/p/hiccup/], a proof of concept inspired by [Picol], aims to mostly match Tcl 8.5 features |&

Several of these implementations are intended to reduce the footprint of Tcl.  For a discussion of these small implementations, see [Small Tcl]. Many take advantage of the smaller size of earlier versions of (definitive) Tcl: see [Advantages and disadvantages of different Tcl versions] for a comparison.


Implementations of other languages that have recognisable similarities to Tcl:

   tinker:   see [TinyTcl]

   [http://ficl.sourceforge.net/%|%Ficl]:   is really an implementation of Forth

   Cricket:   see [Small Tcl]

   [lil]:   

   [L]:   

   [RUSH]:   

   [http://code.google.com/p/gotcl/%|%gotcl]:   Interpreter for a Tcl-like language as a Go library.

Other systems listed on [Category Tcl Implementations] are not distinct implementations:

   [Parenthetcl]:   is a Tcl/C hybrid for writing compiled Tcl extensions

   [Tclkit]:   is really a [Tcl] distribution.  It is a single binary file that provides Tcl/Tk and a number of popular extensions.

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<<categories>> Tcl Implementations