Sure, here's a list of the top 30 programming languages along with a code example of how to write "Hello, World!" in each of them:

1. Python

print("Hello, World!")

2. Java

class HelloWorld {
   public static void main(String[] args) {
      System.out.println("Hello, World!");
   }
}

3. C

#include <stdio.h>

int main() {
   printf("Hello, World!");
   return 0;
}

4. C++

#include <iostream>

int main() {
   std::cout << "Hello, World!" << std::endl;
   return 0;
}

5. JavaScript / TypeScript / Node.js

console.log("Hello, World!");

6. Ruby

puts "Hello, World!"

7. PHP

<?php
   echo "Hello, World!";
?>

8. Swift

print("Hello, World!")

9. Go

package main

import "fmt"

func main() {
   fmt.Println("Hello, World!")
}

10. C

using System;

class Program {
   static void Main(string[] args) {
      Console.WriteLine("Hello, World!");
   }
}

11. Kotlin

fun main(args: Array<String>) {
   println("Hello, World!")
}

12. Objective-C

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {
   @autoreleasepool {
      NSLog(@"Hello, World!");
   }
   return 0;
}

13. R

cat("Hello, World!\n")

14. Perl

print "Hello, World!\n";

15. Bash

#!/bin/bash
echo "Hello, World!"

16. Scala

object HelloWorld {
   def main(args: Array[String]): Unit = {
      println("Hello, World!")
   }
}

17. Rust

fn main() {
   println!("Hello, World!");
}

18. Dart

void main() {
   print("Hello, World!");
}

19. Shell

echo "Hello, World!"

20. Lua

print("Hello, World!")

21. SQL

SELECT 'Hello, World!';

22. Assembly

section          .text
global           _start                  ;must be declared for linker (ld)

_start:                                  ;tell inker entry point

    mov          edx, len                ;message length
    mov          ecx, msg                ;message to write
    mov          ebx, 1                  ;file descriptor (stdout)
    mov          eax, 4                  ;system call number (sys_write)
    int          0x80                    ;call karnel

    mov          eax, 1                  ;system call number (sys_exit)
    int          0x80                    ;call karnel

section          .data
msg        db   'Hello, World!', 0xa     ;there's our message   
len        equ   $ - msg                 ;the length of the message

23. WebAssembly

(module
  (func (export "sayHello") (result i32)
    (i32.const 4)
    (i32.const 1)
    (i32.const 14)
    (i32.const 4)
    (call 0)
    (i32.const 0)
    (return)
  )
  (memory (export "memory") 1)
  (data (i32.const 4) "Hello, World!\00")
)

24. Visual Basic .NET

Module HelloWorld
    Sub Main()
        Console.WriteLine("Hello, World!")
    End Sub
End Module

25. COBOL

IDENTIFICATION DIVISION.
PROGRAM-ID. HELLO-WORLD.

PROCEDURE DIVISION.
DISPLAY "Hello, World!".
STOP RUN.

26. FORTRAN

PROGRAM HELLO
   PRINT *, "Hello, World!"
END PROGRAM HELLO

27. Ada

with Ada.Text_IO; use Ada.Text_IO;

procedure Hello_World is
begin
   Put_Line("Hello, World!");
end Hello_World;

28. Pascal

program HelloWorld;
begin
   Writeln('Hello, World!');
end.

29. Prolog

main :-
   write('Hello, World!'), nl.

30. Smalltalk

'Hello, World!' displayNl

BONUS

Haskell

main :: IO ()
main = putStrLn "Hello, World!"

Self

"Hello, World!" print.

Clojure

(println "Hello, World!")

CoffeeScript

console.log "Hello, World!"

Elm

main =
    Text.plainText "Hello, World!"

TOML

main =
    Text.plainText "Hello, World!"

YAML

message: Hello, World!

'Hello World' in Binary

01001000 01100101 01101100 01101100 01101111 00101100 00101100 00101111 00101100 01101111 01101110 01100101 01110100 00101100 00101111 00101100 01101111 01101110 01100101 01101110 00101100 01101111 01101110 01101001 01101110 01100111 00101110 00101100 00101111 00101100 00101000 00101100 00101111 00101100 00101111 00101100 00101111