I know:
  1. PHP
  2. SQL
  3. C#
  4. C
  5. C++
  6. Visual basic
  7. Lua
  8. Python
  9. Pbasic
  10. Spin
  11. Javascript
  12. HTML
  13. XML
  14. Brainfuck
  15. @55 r@p3
  16. Java
how about you guys?