There are notebook widgets available in a variety of Tcl related 

  * There's the [IWidgets] version

[http://incrtcl.sourceforge.net/iwidgets/iwidgets/notebook.gif]

See docs at http://incrtcl.sourceforge.net/iwidgets/iwidgets/notebook.html and http://purl.org/tcl/home/man/iwidgets3.0/notebook.n.html

   * [Tix]
   * [BWidgets]
   * [Tile]
   * [Michael McLennan] wrote a plain tcl/tk version for the [BOOK Effective Tcl - Writing Better Programs in Tcl and Tk] - source code available at [http://sourceforge.net/projects/efftcl/].
   * [Donal Fellows] has written a notebook [http://www.man.ac.uk/~zzcgudf/tcl/mwidx.html].  Donal "'''strongly''' recommends using the Tile notebook ..."
   * [RS] used the BWidget "page manager" to create [a vertical-tab notebook], which conveniently can hold e.g. 26 single-letter tabs.
   * Pure Tcl/Tk code notebook from [D. Richard Hipp] The source text is about 210 lines (not counting the 40 lines or so of code needed to implement the demo.) The widget will run on Tk4.1 or later.  [[But it doesn't avail itself of namespaces?]] http://www.hwaci.com/sw/tk/notebook.tcl

   * [BLT] contains a notebook called tabset. Thanks to joheid for the pointer.
   * [ClassyTk] contains one
   * [MegaWidget package], by [Jeff Hobbs] contains one
   * [obTcl] contains one
   * [rnotebook] contains one


A recent article on [comp.lang.tcl] gave a comparison by the author, who was looking
for some specific features.  Sure wish it was easier to reference Google group articles
http://groups.google.com/groups?q=tabbed+notebook+comp.lang.tcl&hl=en&lr=&ie=UTF-8&scoring=d&selm=cj07uf%244p8%241%40wagner.wagner.home&rnum=1
 
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See also [Notebook App].

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[Rohan Pall] Wow, this page is popular ;)  So here's my two cents:
I keep examples of each little Tcl/Tk component.  This way I don't forget how to do something.  Here is my BWidgets NoteBook example.  If I remember correctly, I think I learnt this from [Bryan Oakley] in a comp.lang.tcl newsgroup posting.

[BWidgets] is an excellent package.

The code has been tested with BWidget 1.4.1 on 
   * Windows98 the first release, not second edition
   * a custom version of Linux (means I don't remember what I did to it ;)

  package require BWidget

  set nb [NoteBook .nb -side top]
  $nb insert 0 foo -text "foo"
  $nb insert 1 bar -text "bar"

  set pane [$nb getframe foo]
  label $pane.hello -text "hello world"
  pack $pane.hello -fill both -expand 1

  set pane [$nb getframe bar]
  button $pane.fizz -text testing
  pack $pane.fizz -fill both -expand true

  pack $nb -fill both -expand 1
  $nb raise foo
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[Michael Jacobson] Oct 8, 2002 ~ I was trying to get the [BWidgets] NoteBook to work with a popup menu displayed on the active tab when you right clicked on the tab.  I thought I would document how to do it below.

[http://mywebpages.comcast.net/jakeforce/bwidget_notebook.jpg]

 package require BWidget

 ## create a notebook with 2 text panes
 NoteBook .n
 .n insert 0 text1 -text Text1
 .n insert 1 text2 -text Text2
 foreach panel {text1 text2} {
        set pane [.n getframe $panel]
        text $pane.t
        pack $pane.t -fill both -expand 1
 }
 pack .n
 .n raise text1

 ## make a popup menu for the tabs (just add commands)
 menu .popup -tearoff 0 -activeborderwidth 0
 .popup add command -label "mess 1" -command [list puts "in mess 1"]
 .popup add command -label "mess 2" -command [list puts "in mess 2"]
 .popup add separator
 .popup add command -label "mess n" -command [list puts "in mess n"] 

 ## bind right mouse button to the popup menus
 .n bindtabs <Button-3> [list popup .popup %X %Y]

 proc popup {win X Y pane} {
        # check to see if current click is on the top tab
        if {[string equal [.n raise] $pane]} {
                tk_popup $win $X $Y
        }
 }

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Do any notebook implementations allow interaction with sub-elements of the tabs?  For example the "Eclipse" IDE organizes its editing tabs with a grey X which turns red when the mouse moves over it, and on which you can click to kill that tab.  Alternatively, Firefox has a red X on the far right hand side of the tab area, but separate from the tabs themselves.  You can click on that to close the frontmost tab.

It appears as if the Tile notebook doesn't support either of these approaches.  

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[Category Example] | [Category Widget] |
[Category Command]