19. Haskell, 690 bytes
void /*-{-- #hR!X-@ P^h~~X@@0D 0D"hv!X-@ PZh +X5 "M!M elif MOC SODeerF$}++++[*/main(){//\
/+ #\
echo hsab<<'EOF' #>>
1+///\
/*ggcGmiVZZ;ooo"loG";?=0%S!11ooo<"><>"
#define S""
#ifdef __OBJC__
#define S"-evitcejbO"
#endif
printf("C"S)/*/import std.stdio;"D".write/**/;}/*<<
"rT";#z_"B",@>2+; > ][ v;#;8k,7y2-;@,, <<<
>"Befunge-96"#^Z00G#^_$4->1+>,,,,,,,,,,@
n*'um{Z'; 5kziZ<m%*///><>}]⎚¿⁵laocrahC¦++++[-<+++++>]<[-<++++++<+++++<+++++>>>]<<<+++++++.>-.>---.<<-----.++++++++.-----.>--.>---.<+.>>>((((((((((()()()){}){}){}){}()){})((()()()()){}){})[(([][]){}){}()])([]()){})[]())(([[][]()]([]()((((([][][])){}{})[]){})))[]())({ -}_=")";main=putStr"lleksaH"-- *///@,ka"89-egnufenU"
Prints:
D in D emmoS in Somme ><> in ><> C in C laocrahC in Charcoal miV in Vim C-evitcejbO in Objective-C 89-egnufeB in Befunge-98 39-egnufeB in Befunge-93 elif MOC SODeerF in FreeDOS COM file ><>loG in Gol><> 89-egnufenU in Unefunge-98 79-egnufeB in Befunge-97 69-egnufeB in Befunge-96 kcufniarb in brainfuck 89-egnuferT in Trefunge-98 kalf-niarb in brain-flak hsab in bash lleksaH in Haskell
Try it online!
Next answer must not exceed 897 bytes.
Hexdump
00000000: 766f 6964 202f 2a2d 7b2d 2d20 2368 5221 void /*-{-- #hR! 00000010: 582d 4020 505e 687e 7e58 4040 3044 2030 X-@ P^h~~X@@0D 0 00000020: 4422 6876 2158 2d40 2050 5a68 202b 5835 D"hv!X-@ PZh +X5 00000030: 2022 4d21 4d20 656c 6966 204d 4f43 2053 "M!M elif MOC S 00000040: 4f44 6565 7246 247d 2b2b 2b2b 5b2a 2f6d ODeerF$}++++[*/m 00000050: 6169 6e28 297b 2f2f 5c0a 202f 2b20 235c ain(){//\. /+ #\ 00000060: 0a20 6563 686f 2068 7361 623c 3c27 454f . echo hsab<<'EO 00000070: 4627 2023 3e3e 0a31 2b2f 2f2f 5c0a 2f2a F' #>>.1+///\./* 00000080: 1b67 6763 476d 6956 1b5a 5a3b 6f6f 6f22 .ggcGmiV.ZZ;ooo" 00000090: 6c6f 4722 3b3f 3d30 2553 2131 316f 6f6f loG";?=0%S!11ooo 000000a0: 3c22 3e3c 3e22 0a23 6465 6669 6e65 2053 <"><>".#define S 000000b0: 2222 0a23 6966 6465 6620 5f5f 4f42 4a43 "".#ifdef __OBJC 000000c0: 5f5f 0a23 6465 6669 6e65 2053 222d 6576 __.#define S"-ev 000000d0: 6974 6365 6a62 4f22 0a23 656e 6469 660a itcejbO".#endif. 000000e0: 7072 696e 7466 2822 4322 5329 2f2a 2f69 printf("C"S)/*/i 000000f0: 6d70 6f72 7420 7374 642e 7374 6469 6f3b mport std.stdio; 00000100: 2244 222e 7772 6974 652f 2a2a 2f3b 7d2f "D".write/**/;}/ 00000110: 2a3c 3c0a 2022 7254 223b 237a 5f22 4222 *<<. "rT";#z_"B" 00000120: 2c40 3e32 2b3b 2020 3e20 2020 205d 5b20 ,@>2+; > ][ 00000130: 763b 233b 386b 2c37 7932 2d3b 402c 2c20 v;#;8k,7y2-;@,, 00000140: 3c3c 3c0a 3e22 4265 6675 6e67 652d 3936 <<<.>"Befunge-96 00000150: 2223 5e5a 3030 4723 5e5f 2434 2d3e 312b "#^Z00G#^_$4->1+ 00000160: 3e2c 2c2c 2c2c 2c2c 2c2c 2c40 0a6e 2a27 >,,,,,,,,,,@.n*' 00000170: 756d 7b5a 273b 2035 6b7a 695a 3c6d 252a um{Z'; 5kziZ<m%* 00000180: 2f2f 2f3e 3c3e 7d5d e28e 9ac2 bfe2 81b5 ///><>}]........ 00000190: 6c61 6f63 7261 6843 c2a6 2b2b 2b2b 5b2d laocrahC..++++[- 000001a0: 3c2b 2b2b 2b2b 3e5d 3c5b 2d3c 2b2b 2b2b <+++++>]<[-<++++ 000001b0: 2b2b 3c2b 2b2b 2b2b 3c2b 2b2b 2b2b 3e3e ++<+++++<+++++>> 000001c0: 3e5d 3c3c 3c2b 2b2b 2b2b 2b2b 2e3e 2d2e >]<<<+++++++.>-. 000001d0: 3e2d 2d2d 2e3c 3c2d 2d2d 2d2d 2e2b 2b2b >---.<<-----.+++ 000001e0: 2b2b 2b2b 2b2e 2d2d 2d2d 2d2e 3e2d 2d2e +++++.-----.>--. 000001f0: 3e2d 2d2d 2e3c 2b2e 3e3e 3e28 2828 2828 >---.<+.>>>((((( 00000200: 2828 2828 2828 2928 2928 2929 7b7d 297b (((((()()()){}){ 00000210: 7d29 7b7d 297b 7d28 2929 7b7d 2928 2828 }){}){}()){})((( 00000220: 2928 2928 2928 2929 7b7d 297b 7d29 5b28 )()()()){}){})[( 00000230: 285b 5d5b 5d29 7b7d 297b 7d28 295d 2928 ([][]){}){}()])( 00000240: 5b5d 2829 297b 7d29 5b5d 2829 2928 285b []()){})[]())(([ 00000250: 5b5d 5b5d 2829 5d28 5b5d 2829 2828 2828 [][]()]([]()(((( 00000260: 285b 5d5b 5d5b 5d29 297b 7d7b 7d29 5b5d ([][][])){}{})[] 00000270: 297b 7d29 2929 5b5d 2829 2928 7b20 2d7d ){})))[]())({ -} 00000280: 5f3d 2229 223b 6d61 696e 3d70 7574 5374 _=")";main=putSt 00000290: 7222 6c6c 656b 7361 4822 2d2d 202a 2f2f r"lleksaH"-- *// 000002a0: 2f40 2c6b 6122 3839 2d65 676e 7566 656e /@,ka"89-egnufen 000002b0: 5522 U"