• asciidoc, to make complete documentation: http://www.methods.co.nz/asciidoc/
• wiki2beamer, for preparing presentations: http://wiki2beamer.sourceforge.net/
• figlet, to create ascii art of source strings: http://en.wikipedia.org/wiki/FIGlet
• PGF/TikZ, a tandem of languages for TeX tricks: http://www.texample.net/tikz/examples/
• dot2tex - A Graphviz to LaTeX converter: http://www.fauskes.net/code/dot2tex/
• Ditaa, or how to convert ascii to graphs: http://ditaa.org/ditaa/
• MINSE, or how to write math in markup: http://lfw.org/math/demo.html
• http://kaczanowscy.pl/tomek/2011-09/nice-presentations-in-no-time-with-asciidoc-and-slidy
• http://vanderwijk.info/2009/4/23/full-text-based-document-generation-using-asciidoc-and-ditaa
• http://code.google.com/p/asciidoc-ditaa-filter/
• pandoc, universal wiki markup converter: http://johnmacfarlane.net/pandoc/

Example source:

     +------------------------------------------+
     |                                          |
     |     cDEF                                 |
     |            Atmospheric Model             |
     |                                          |
     |                                          |
     +---+---------------+----------------+-----+
         ^               ^                ^
         |               |                |
         |               v                v
         |         +-----+-----+    +-----+-----+
         |         +           +<-->|           |
         |         + Hydrology +    | c789      |
         |         |   Model   |    |           |
         |         |  c978     |    |   Ocean   |
         |         +-----+-----+    |           |
         |               ^          |   Model   |
         |               |          |           |
         v               v          |           |
     +---+---------------+-----+    |           |
     |c887 Land Surface Model  +<-->+           |
     +---+---------------------+    +-----------+




     +------------+   +-----------+    +----------+
     | c897       +---+allocation +--->|          |
     |Linklings   |   +-----------+    |accounting|
     |selection   |   |moab policy|    |          |
     |     {d}    |   |  c978     |    | c789     |
     +---+--------+   +-----------+    +----------+
         ^                                  :
         |       feedback loop              |
         \----------------------------------/

      /-----------------------\
      |         ditaa         |
      |  /- /\ +\/+ +\ |  +-  |
      |  \\ ++ |\/| +/ |  +-  |
      |  -/ || |  | |  +- +-  |
      |     cDEF {o}          |
      \-----------------------/

More example source:

     +--------+   +-------+    +-------+
     | c897   +---+ ditaa +--->|       |
     |  Text  |   +-------+    |diagram|
     |Document|   |!magic!|    |       |
     |     {d}|   |  c978 |    | c789  |
     +---+----+   +-------+    +-------+
         :                         ^
         |       Lots of work      |
         \-------------------------/

          ^
          |                   +-----------------+
 /--------+   /----*<-+----\  | Things to do    |
 |   cRED |   |cBLU|  |cEEE|  | cFB9            |
 |   /----+   +----+--+----/  | * Cut the grass |
 |   |cYEL|        |  |       | * Buy jam       |
 +---+----+        \--+--=-->*+ * Make website  |
                      |       +-----------------+
/--\/--\/--\          v
|  ||  ||  |
|  ++  ++  | +----+---+----+----+---+---+---+
\\  cDB6  // |    |{o}|    |    |{c}|{s}|   |
 | /----\ |  |{tr}|   |{mo}|{io}|   |   |{d}|
 | |c733| |  +----+---+----+----+---+---+---+
 +-+----+-+
            +-------+
+-------+   |       |    +---------+
|cFDA   |   |{c}    |    |eat cFF8 +
|wake up+-->+hungry?+--->|breakfast|
| {o}   |   | cDBF  |Y   +----+----+
+-------+   |       |         |
            +---+---+         v
                |N       +-----------+
                +------->| save c9FB |
                         | planet{mo}|
                         +-----------+

      /-----------------------\
      |         ditaa         |
      |  /- /\ +\/+ +\ |  +-  |
      |  \\ ++ |\/| +/ |  +-  |
      |  -/ || |  | |  +- +-  |
      |     cDEF {o}          |
      \-----------------------/

-- FotisGeorgatos - 08-Feb-2011