- abap
- actionscript
- ada
- agda
- ags-script
- alloy
- ampl
- antlr
- apacheconf
- api-blueprint
- apl
- applescript
- arc
- arduino
- asciidoc
- asp
- aspectj
- assembly
- ats
- augeas
- autohotkey
- autoit
- awk
- batchfile
- befunge
- bison
- bitbake
- blitzbasic
- blitzmax
- bluespec
- boo
- brainfuck
- brightscript
- bro
- c++
- c-sharp
- c
- c2hs-haskell
- clips
- cmake
- cobol
- cucumber