113 programs.

Code for some of the programming languages is taken from http://en.wikipedia.org/wiki/List_of_Hello_world_program_examples

Helloworld programs in different languages

1 . ABAP

2 . ADA

3 . ADVENTURE_GAME_STUDIO_SCRIPT

4 . ALGOL

5 . AMIGA_E

6 . APL

7 . APPLESCRIPT

8 . ARC

9 . AS3

10 . AWK

11 . BASIC

12 . BATCH

13 . BEFUNGE

14 . BENNUGD

15 . BRAINFUCK

16 . C

17 . CASIOBASIC

18 . CEYLON

19 . CHEF

20 . CLOJURE

21 . COBOL

22 . COFFEESCRIPT

23 . COLDFUSION_MARKUP_LANGUAGE

24 . COMMON-LISP

25 . CONTEXT

26 . CPP

27 . CSHARP

28 . CSHELL

29 . D

30 . DART

31 . DELPHI

32 . ECL

33 . EIFFEL

34 . ELIXIR

35 . EMACS_LISP

36 . ERLANG

37 . FANCY

38 . FANTOM

39 . FIMPP

40 . FORTH

41 . FORTRAN

42 . FSHARP

43 . GO

44 . GOSU

45 . GROOVY

46 . HASKELL

47 . HOMESPRING

48 . HOP

49 . HQ9PLUS

50 . HTM

51 . IDRIS

52 . IN

53 . IO

54 . JAVA

55 . JAVASCRIPT

56 . LATEX

57 . LICENSE

58 . LOGO

59 . LOGTALK

60 . LOLCODE

61 . LUA

62 . M4

63 . MATHEMATICA

64 . MATLAB

65 . NASM

66 . NEMERLE

67 . OBJECTIVE-C

68 . OCAML

69 . OMGROFL

70 . PASCAL

71 . PERL

72 . PHP

73 . PL_SQL

74 . POSTSCRIPT

75 . POWERSHELL

76 . PROCESSING

77 . PROLOG

78 . PYTHON

79 . R

80 . RACKET

81 . README

82 . REBOL

83 . RUBY

84 . RUST

85 . SCALA

86 . SCHEME

87 . SHAKESPEARE

88 . SHELL

89 . SMALLTALK

90 . SMALL_BASIC

91 . SMILEBASIC

92 . SML

93 . SNOBOL

94 . SPEAKEASY

95 . SQL

96 . STATA

97 . SUPERCOLLIDER

98 . SUPERNOVA

99 . TCL

100 . TEX

101 . TI-BASIC

102 . UNREALSCRIPT

103 . VALA

104 . VERILOG

105 . VHDL

106 . VIM

107 . VISUAL-BASIC

108 . WHITESPACE

109 . XPATH2

110 . XQUERY

111 . XSLT

112 . XTEND

113 . ZIMBU

add few more [languages] (http://rosettacode.org/wiki/Hello_world/Text)

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