| Name | Author | Description |
| rot13-2.x86 | Abhijit Menon-Sen | Intel Pentium Assembly (AT&T syntax). Takes the passed pointer and ROT13s the contents. |
| rot13.mac | Steven Young | PDP-11 Assembly (Doesn't actually do anything, but the comments are amusing) |
| rot13.x86 | Tim Newsome | Intel Pentium Assembly |
| sparcrot13.s | Jay Kominek | Sparc Assembly for UNIX (ala Tim Newsome's version) |
| axprot13.s | Teknovore | Alpha Assembly for UNIX |
| rot13.x86elf | David Taylor | Intel x86 Assembly. Compiles to 115 byte ELF binary. |