[vasilisanagnostopoulos] Feb 17, 2016 - It seems that there is no downloadable link for this toolkit.
[George Peter Staplin] Oct 25, 2005 - Megapkg is my largest project so far.  It contains a lot of C and Tcl code that is evolving.

[PYK] 2013-10-08: [http://user.xmission.com/~georgeps/megapkg_rev_2415.tar.bz2%|%megapkg_ref_2415.tar.bz2]  Seems to be the only remaining download for megapkg.

The current sources (as of Sep 24, 2007) are available from here: http://code.google.com/p/megapkg/source


Most of these extensions work with Windows and Unix-like systems.  

The current list of (useful) Tcl/Tk extensions is:

    * [megaimage] - An image manipulation extension.

Image encoders/decoders (compatible with [megaimage]):

    * animngext - An animated PNG library based on my animng.
    * jpegext2 - Requires Tcl and megaimage.
    * pngext2 - Requires Tcl and megaimage.
    * tiffext - Requires Tcl and megaimage.
    * [v4limage] - A Video4Linux2 extension that requires Tcl and [megaimage].


[megaimage] graphical display backends:

    * [ntk] - Used to implement [NexTk] as an alternative to Tk for low-level drawing, and window events.
    * [megaimagetk] - This provides the ability to convert to/from photo images and megaimages.  It also has a megaimage.frame widget for fast image display with Windows and X11 platforms.


Misc. extensions:
    * bevent - Used by Whim2.
    * bserverext - Used by Whim2.
    * pwm.so - Used by [Whim window manager].
    * structure - A data structure extension.  See [megapkg structure extension].  This is used by [NexTk].
    * sys.so - Used for applet [IPC] by [Whim window manager]
    * eventgen.so - Used for virtual keyboard widgets.
    * freetypeext - Used for drawing text with megaimage.  See also: [NexTk]
    * waveext - A Windows-only extension for playing .wav files.
    * tfp - An extension for Unix-like systems that provides primitives for something similar to Flow-based programming.
    * [speexext] - A portable [speex] extension.

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