What follows is shameless advertisement for my own offline-CMS (written in Perl, of course).

Mowyw expects your project to be organized in three directories:

source/    # here are all pages that should appear in the output
includes/  # here are include files and menus
online/    # mowyw will put the result of its processing here
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In the simplest case, mowyw will copy a file source/foo.html to online/foo.html, prepend includes/header (you can configure that name, of course) and append includes/footer to that page. Non-HTML-pages are copied verbatim.

Inside the file simple directives are processed, here are some examples:

[% include bar %]      # includes file includes/bar
[% option no-header %] # don't include the header file
[% setvar title Page Title %] # Set variable `title' to `Page Title' 
[% readvar title %]    # is substituted by the value of varaible `titl
+e'
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