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ActiveTcl is the industry-standard Tcl distribution, available for Mac OS X, Linux, Windows, Solaris, AIX and HP-UX. Developers worldwide rely on ActiveTcl's completeness and ease-of-use, while corporate users protect their infrastructure and stay competitive with quality-assured ActiveTcl business solutions.

ActiveTcl is 100% compatible with the reference distribution of Tcl. Code tested with ActiveTcl will run on any Tcl installation that has the appropriate extensions installed.

ActiveState is committed to making Tcl easy to install and use on all major platforms. This release of ActiveTcl brings you

What's New

  • Debut of Tk-Cocoa 2.0 Mac App Store compatible!
  • [TIP 427] Improved async socket connects and introspection
  • [TIP 433] New binding substitution %M
  • Additional restoration of read beyond EOF on channels.
  • Fixed [lreplace {1 2 3} 2 0].
  • Fixed crashes in...
    • optimized binary [chan copy]
    • [tk_getOpenFile ... -typevariable $x


  • OS X 10.5 or later

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Current Version (8.x)


Downloads 5,504
Version Downloads 571
License Free
Date 28 Aug 2015
Platform OS X / Intel 32
Price Free
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