Here is the list of 1,561 unique file extensions across 756 languages in the PLDB.
| name | extensions | numberOfExtensions |
|---|---|---|
| Java | java jav | 2 |
| JavaScript | js _js bones cjs es es6 frag gs jake javascript jsb jscad jsfl jslib jsm jspre jss jsx mjs njs pac sjs ssjs xsjs xsjslib | 25 |
| C | c cats h idc x[bp]m Mono | 6 |
| Python | py pyc pyd pyo cgi fcgi gyp gypi lmi py3 pyde pyi pyp pyt pyw rpy smk spec tac wsgi xpy jy sage sc SConstruct SConscript bzl BUCK BUILD BUILD.bazel WORKSPACE | 31 |
| SQL | sql cql ddl inc mysql prc tab udf viw | 9 |
| C++ | cpp c++ cc cp cxx h h++ hh hpp hxx inc inl ino ipp ixx re tcc tpp C H CPP | 21 |
| HTML | html hta htm htmlhl inc xht xhtml xslt | 8 |
| XML | xml adml admx ant axaml axml builds ccproj ccxml clixml cproject cscfg csdef csl csproj ct depproj dita ditamap ditaval dllconfig dotsettings filters fsproj fxml glade gml gmx grxml gst hzp iml ivy jelly jsproj kml launch mdpolicy mjml mm mod mxml natvis ncl ndproj nproj nuspec odd osm pkgproj pluginspec proj props ps1xml psc1 pt qhelp rdf res resx rs rss sch scxml sfproj shproj srdf storyboard sublime-snippet targets tml ts tsx ui urdf ux vbproj vcxproj vsixmanifest vssettings vstemplate vxml wixproj workflow wsdl wsf wxi wxl wxs x3d xacro xaml xib xlf xliff xmi xmldist xmp xproj xsd xspec xul zcml xsl xslt | 105 |
| PHP | php phtml php3 php4 php5 php7 phps aw ctp fcgi inc phpt php[345] | 13 |
| Perl | pl pm t pod al cgi fcgi perl ph plx psgi | 11 |
| MATLAB | matlab m | 2 |
| Ruby | rb builder eye fcgi gemspec god jbuilder mspec pluginspec podspec prawn rabl rake rbi rbuild rbw rbx ru ruby spec thor watchr Rakefile duby Gemfile Vagrantfile | 26 |
| C# | cs cake csx linq | 4 |
| Fortran | f for f90 f95 f03 f08 f15 f77 fpp F03 F90 | 11 |
| CSS | css | 1 |
| R | r R RData rds rda rd rsx | 7 |
| Go | go | 1 |
| JSON | json 4DForm 4DProject avsc geojson gltf har ice JSON-tmLanguage jsonl mcmeta tfstate tfstatebackup topojson webapp webmanifest yy yyp Pipfile.lock | 19 |
| Swift | swift | 1 |
| Scala | scala sc kojo sbt | 4 |
| Ada | adb ads ada | 3 |
| COBOL | cbl cob cpy ccp cobol COB CPY | 7 |
| Rust | rs rlib rsin rs.in | 4 |
| Kotlin | kt kts ktm | 3 |
| PowerShell | ps1 psd1 psm1 | 3 |
| Arduino Programming Language | ino | 1 |
| Pascal | pp pas inc dfm dpr lpr pascal | 7 |
| Haskell | hs lhs hs-boot hsc | 4 |
| TypeScript | ts tsx cts mts | 4 |
| SAS | sas SAS | 2 |
| Lua | lua fcgi nse p8 pd_lua rbxs rockspec wlua | 8 |
| Julia | jl | 1 |
| Prolog | pl pro P prolog yap ecl | 6 |
| Clojure | clj cljs cljc edn bb boot cl2 cljshl cljscm cljx hic | 11 |
| HTTP | http | 1 |
| Objective-C | h m mm C | 4 |
| Assembly language | asm a51 i inc nas nasm | 6 |
| Scheme | scm ss sch sld sls sps | 6 |
| Mathematica | mathematica cdf m ma mt nb nbp wl wlt | 9 |
| Erlang | erl hrl appsrc es escript xrl yrl | 7 |
| Bash | sh bash bats cgi command env fcgi ksh shin tmux tool zsh zsh-theme ebuild eclass exheres-0 exlib .bashrc bashrc .bash_* bash_* zshrc .zshrc .kshrc kshrc PKGBUILD | 26 |
| Elixir | ex exs eex | 3 |
| CUDA | cu cuh | 2 |
| Dart | dart | 1 |
| Modula-2 | mod m2 def MOD DEF mi md | 7 |
| Tcl | tcl tbc adp tclin tm rvt | 6 |
| ActionScript | as | 1 |
| VBA | bas cls frm frx vba | 5 |
| BASIC | bas | 1 |
| Verilog | v veo | 2 |
| Solidity | sol | 1 |
| awk | awk auk gawk mawk nawk | 5 |
| Delphi | pas dpr | 2 |
| F# | fs fsi fsx fsscript | 4 |
| Regular Expressions | regexp regex | 2 |
| Elm | elm | 1 |
| Eiffel | e | 1 |
| ASP | asp asax ascx ashx asmx aspx axd | 7 |
| Crystal | cr | 1 |
| OCaml | ml mli eliom eliomi ml4 mll mly | 7 |
| Smalltalk | st cs | 2 |
| Modula-3 | i3 ig m3 mg | 4 |
| Yacc | y yacc yy | 3 |
| Racket | rkt rktl rktd scrbl plt ss scm | 7 |
| D | d di | 2 |
| Sage | sage sagews | 2 |
| Reason | re rei | 2 |
| Groovy | groovy grt gtpl gvy gradle | 5 |
| Common Lisp | lisp lsp l cl fasl asd ny podsl sexp | 9 |
| CoffeeScript | coffee litcoffee _coffee cake cjsx iced | 6 |
| VHDL | vhdl vhd vhf vhi vho vhs vht vhw | 8 |
| APL | apl dyalog aplf aplo apln aplc apli | 7 |
| OpenCL | cl opencl | 2 |
| YAML | yml mir reek rviz sublime-syntax syntax yaml yaml-tmlanguage yamlsed ymlmysql | 10 |
| MediaWiki | mediawiki wiki | 2 |
| XQuery | xq xql xqm xqy xquery | 5 |
| PostScript | ps eps epsi pfa | 4 |
| Nginx | nginx nginxconf vhost nginx.conf | 4 |
| GraphQL | graphql gql graphqls | 3 |
| WebAssembly | wasm wast wat | 3 |
| Literate CoffeeScript | litcoffee coffeemd | 2 |
| Vue | vue | 1 |
| Rexx | cmd exec rexx rex pprx rx arexx | 7 |
| ANTLR | g4 | 1 |
| Nim | nim nimcfg nimble nimrod nims | 5 |
| Pug | jade pug | 2 |
| Liquid | liquid | 1 |
| Smali | smali | 1 |
| Scratch | scratch sb sprite sb2 sprite2 | 5 |
| Markdown | md livemd markdown mdown mdwn mdx mkd mkdn mkdown ronn scd workbook | 12 |
| LFE | lfe hrl | 2 |
| Haxe | hx hxml hxsl | 3 |
| Forth | fth 4th f for forth fr frt fs | 8 |
| Visual Basic .NET | vb vbhtml | 2 |
| PureBasic | pb pbi | 2 |
| Chapel | chpl | 1 |
| fish | fish load | 2 |
| VBScript | vbs vbe wsf wsc VBS | 5 |
| LabVIEW G | lvproj lvclass lvlib | 3 |
| Applescript | scpt scptd AppleScript applescript | 4 |
| Lasso | lasso LassoApp las lasso8 lasso9 lasso[89] | 6 |
| LLVM IR | ll | 1 |
| Red | red reds | 2 |
| Oz | oz | 1 |
| Idris | idr lidr | 2 |
| V | v | 1 |
| Protocol Buffers | proto | 1 |
| Tex | tex aux bbx cbx cls dtx ins lbx ltx mkii mkiv mkvi sty toc | 14 |
| AMPL | ampl mod run dat | 4 |
| sed | sed [gs]sed | 2 |
| PicoLisp | l | 1 |
| Standard ML | sml ml fun sig | 4 |
| Dylan | dylan dyl intr lid | 4 |
| PL/SQL | pls bdy ddl fnc pck pkb pks plb plsql prc spc sql tpb tps trg vw | 16 |
| PureScript | purs | 1 |
| REBOL | r reb r2 r3 rebol | 5 |
| FLUX | fx flux | 2 |
| Processing | pde | 1 |
| Hack | hack hh hhi php | 4 |
| Org | org | 1 |
| OWL | owl | 1 |
| SVG | svg | 1 |
| Brainfuck | b bf | 2 |
| Squirrel | nut | 1 |
| DOT | dot gv | 2 |
| Coq | coq v | 2 |
| J | ijs | 1 |
| Fantom | fan | 1 |
| Monkey | monkey monkey2 | 2 |
| Jinja | jinja j2 jinja2 | 3 |
| BlitzBasic | bb decls | 2 |
| ABAP | abap ABAP | 2 |
| Limbo | b m | 2 |
| Agda | agda lagda | 2 |
| HAML | haml hamldeface | 2 |
| MUMPS | mumps m | 2 |
| x86 Assembly | s ms | 2 |
| ColdFusion | cfm cfml | 2 |
| Emacs Lisp | el emacs emacsdesktop elc | 4 |
| AutoIt | au3 | 1 |
| Zig | zig | 1 |
| NewLisp | nl lisp lsp kif | 4 |
| Nearley | ne nearley | 2 |
| Jison | jison | 1 |
| Makefile | mak d make makefile mk mkfile Makefile Makefile.* GNUmakefile | 9 |
| Vala | vala vapi | 2 |
| MoonScript | moon | 1 |
| Nemerle | n | 1 |
| TOML | toml Pipfile poetry.lock | 3 |
| Ballerina | bal | 1 |
| Terra | t | 1 |
| Icon | icon ICON | 2 |
| X10 | x10 | 1 |
| Scilab | sci sce tst | 3 |
| Frege | fr | 1 |
| Slim | slim | 1 |
| Turing | t tu | 2 |
| PostCSS | pcss postcss | 2 |
| Io | io | 1 |
| QML | qml qbs | 2 |
| Mercury | m moo | 2 |
| JSP | jsp | 1 |
| xBase | prg ch prw | 3 |
| Opa | opa | 1 |
| IDL | pro dlm | 2 |
| Hy | hy | 1 |
| GNU Octave | m | 1 |
| Boo | boo | 1 |
| Ceylon | ceylon ceyloncite web | 3 |
| Zephir | zep | 1 |
| SPARQL | sparql rq | 2 |
| Object Pascal | p pp pas | 3 |
| LOLCODE | lol | 1 |
| Lean | lean hlean | 2 |
| SystemVerilog | sv svh vh header file | 5 |
| Arc | arc | 1 |
| Clean | icl dcl abc sapl | 4 |
| RobotFramework | robot resource | 2 |
| SuperCollider | sc scd | 2 |
| Pony | pony | 1 |
| QBasic | BAS bas | 2 |
| Factor | factor | 1 |
| Cython | pyx pxd pxi | 3 |
| Bison | bison | 1 |
| CLIPS | clp | 1 |
| Inform | ni i7x | 2 |
| KiCad Legacy Layout | sch lib brd kicad_pcb kicad_wks kicad_mod | 6 |
| SNOBOL | snobol | 1 |
| reStructuredText | rst rest resttxt rsttxt | 4 |
| JSON5 | json5 | 1 |
| Nextflow | nf | 1 |
| CMake | cmake cmakein CMakeLists.txt | 3 |
| PL/pgSQL | pgsql sql | 2 |
| Sass | sass scss | 2 |
| Stata | do ado doh ihlp mata matah sthlp | 7 |
| Multi-User Forth | muf m | 2 |
| EDN | edn | 1 |
| API Blueprint | apib | 1 |
| NetLogo | nlogo nlogo3d nls | 3 |
| Metal | metal | 1 |
| Self | self | 1 |
| NumPy | numpy numpyw numsc | 3 |
| RAML | raml | 1 |
| Pike | pike pmod | 2 |
| HCL | hcl nomad tf tfvars workflow | 5 |
| Isabelle | ROOT thy | 2 |
| Click | click | 1 |
| MiniD | minid | 1 |
| ClojureScript | cljs | 1 |
| ATS | dats hats sats | 3 |
| F* | fst fsti | 2 |
| YANG | yang | 1 |
| Perl 6 | 6pl 6pm nqp p6 p6l p6m pl pl6 pm pm6 t | 11 |
| Turtle | ttl | 1 |
| Csound | csd sco orc udo | 4 |
| Ioke | ik | 1 |
| Lex | l lex | 2 |
| odin | odin | 1 |
| Wren | wren | 1 |
| AGC | agc | 1 |
| YARA | yar yara | 2 |
| Ini | ini cfg dof lektorproject prefs pro properties url inf .editorconfig service socket device mount automount swap target path timer slice scope | 21 |
| FoxPRO | PRG prg | 2 |
| Embedded Crystal | ecr | 1 |
| Gnuplot | gp gnu gnuplot p plot plt | 6 |
| Xojo | xojo_code xojo_menu xojo_report xojo_script xojo_toolbar xojo_window | 6 |
| Alloy | als | 1 |
| POV-Ray SDL | pov inc | 2 |
| E | e | 1 |
| RDoc | rdoc | 1 |
| LiveScript | ls _ls | 2 |
| Marko | marko | 1 |
| Modelica | mo | 1 |
| Wavefront Object | obj | 1 |
| ERB | erb erbdeface rhtml | 3 |
| Gradle | gradle | 1 |
| Dafny | dfy | 1 |
| GAMS | gms | 1 |
| Batchfile | bat cmd | 2 |
| Dhall | dhall | 1 |
| AsciiDoc | asciidoc adoc asc | 3 |
| JSON-LD | jsonld | 1 |
| Objective-J | j sj | 2 |
| Pod | pod | 1 |
| M4 | m4 mc | 2 |
| PEG.js | pegjs | 1 |
| Ninja | ninja | 1 |
| B | b | 1 |
| SaltStack | sls | 1 |
| Bicep | bicep | 1 |
| Wolfram Language | nb m wl | 3 |
| Q | q | 1 |
| TLA | tla | 1 |
| Puppet | pp | 1 |
| GDB | gdb gdbinit | 2 |
| Seed7 | sd7 s7i | 2 |
| Speedie | spd scproj | 2 |
| Oxygene | oxygene | 1 |
| C3 | c3 c3i | 2 |
| Befunge | befunge | 1 |
| Twig | twig | 1 |
| PowerBuilder | pbt sra sru srw | 4 |
| Less | less | 1 |
| BibTeX | bib bibtex | 2 |
| XS | xs | 1 |
| eC | ec eh | 2 |
| G-code | g cnc gco gcode mpt mpf nc | 7 |
| ECL | ecl eclxml | 2 |
| AutoHotkey | ahk ahkl | 2 |
| Classroom Object Oriented Language | cl | 1 |
| Thrift | thrift | 1 |
| Genie | gs | 1 |
| Maxima | mac max | 2 |
| EJS | ejs ect ejst jst | 4 |
| Cap'n Proto | capnp | 1 |
| Netwide Assembler | asm ASM | 2 |
| YASnippet | yasnippet | 1 |
| wisp | wisp | 1 |
| Transact-SQL | sql | 1 |
| Falcon | ftd fal fam | 3 |
| ASN.1 | asn asn1 | 2 |
| RMarkdown | rmd qmd | 2 |
| Croc | croc | 1 |
| Bluespec | bsv | 1 |
| jq | jq | 1 |
| S | S R .Rhistory .Rprofile .Renviron | 5 |
| GAP | g gap gd gi tst | 5 |
| UrWeb | ur urs | 2 |
| K | k | 1 |
| starlark | bzl star | 2 |
| Stylus | styl | 1 |
| Latte | latte | 1 |
| Vim script | vim vba vimrc vmb .vimrc .exrc .gvimrc _vimrc _exrc _gvimrc gvimrc | 11 |
| JScript | js jse wsf wsc | 4 |
| TXL | txl | 1 |
| EML | eml mbox | 2 |
| Smarty | tpl | 1 |
| Graph Modeling Language | gml | 1 |
| Pig Latin | pig | 1 |
| Parrot | parrot | 1 |
| mlir | mlir | 1 |
| FreeBASIC | bi bas | 2 |
| Ragel | rl | 1 |
| DTD | dtd | 1 |
| JFlex | flex jflex | 2 |
| CIL | cil | 1 |
| Xtend | xtend | 1 |
| Nu | nu | 1 |
| DTrace | d | 1 |
| Fennel | fnl | 1 |
| AspectJ | aj | 1 |
| Max | maxpat maxhelp maxproj mxt pat | 5 |
| HLSL | hlsl cginc fx fxh hlsli | 5 |
| janet | janet | 1 |
| Ring | ring rh rform | 3 |
| Pure Data | pd | 1 |
| XSLT | xslt xsl xpl | 3 |
| NL | nl | 1 |
| Unicon | icn | 1 |
| Golo | golo | 1 |
| beef-lang | bf | 1 |
| Diff | diff patch | 2 |
| muPad | mu | 1 |
| Slash | sl sla | 2 |
| Koka | kk kki | 2 |
| Dogescript | djs | 1 |
| Gosu | gs gsp gst gsx vark | 5 |
| OpenVera | vr | 1 |
| Gerber Image | gbr cmp gbl gbo gbp gbs gko gml gpb gpt gtl gto gtp gts ncl sol | 16 |
| Textile | textile | 1 |
| SIL | sil | 1 |
| WDL | wdl | 1 |
| NSIS | nsi nsh | 2 |
| Closure Templates | soy | 1 |
| Hierarchical Data Format | hdf h4 hdf4 he2 h5 hdf5 he5 | 7 |
| Inno Setup | iss isl | 2 |
| Objective C++ | mm hh | 2 |
| GLSL | glsl fp frag frg fs fsh fshader geo geom glslf glslv gs gshader rchit rmiss shader tesc tese vert vrx vsh vshader | 22 |
| Curry | curry | 1 |
| PEG | peg | 1 |
| CWL | cwl | 1 |
| JCL | jcl | 1 |
| LilyPond | ly ily | 2 |
| Xtext | xtext | 1 |
| Eagle | sch brd | 2 |
| SourcePawn | sp inc | 2 |
| Augmented Backus-Naur Form | abnf | 1 |
| Zip file format | zip | 1 |
| IGOR Pro | ipf | 1 |
| Euphoria | e ex exw edb | 4 |
| Java Properties | properties | 1 |
| CodeQL | ql qll | 2 |
| Ren'Py | rpy | 1 |
| CWEB | w | 1 |
| EBNF | ebnf | 1 |
| PIR | pir | 1 |
| CSON | cson | 1 |
| kaitai | ksy | 1 |
| mustache | mustache | 1 |
| Jule | .jule | 1 |
| Djot | dj | 1 |
| Mirah | druby duby mirah | 3 |
| RUNOFF | rnh rno | 2 |
| Dockerfile | dockerfile | 1 |
| Velocity | vm fhtml | 2 |
| Futhark | fut | 1 |
| Manim | .py | 1 |
| SubRip Text | srt | 1 |
| beads-lang | beads | 1 |
| SQLPL | sql db2 | 2 |
| Glyph Bitmap Distribution Format | bdf | 1 |
| CFML | cfm cfc | 2 |
| Clarion | clw | 1 |
| PAWN | pwn inc | 2 |
| X PixMap | xpm pm | 2 |
| Spin | spin | 1 |
| Felix | flx flxh | 2 |
| X BitMap | xbm | 1 |
| Uno | uno | 1 |
| BNF | bnf | 1 |
| chaiscript | chai | 1 |
| Shapefile | shp shx dbf | 3 |
| Papyrus | psc | 1 |
| Slope | slo | 1 |
| Varnish Configuration Language | vcl | 1 |
| NetLinx | axserb axierb axs axi | 4 |
| FIGlet Font | flf | 1 |
| P4 | p4 | 1 |
| CSV | csv | 1 |
| XProc | xpl xproc | 2 |
| QMake | pro pri | 2 |
| LookML | lookml modellkml viewlkml | 3 |
| Cobra | cobra | 1 |
| Volt | volt | 1 |
| Angelscript | as angelscript | 2 |
| Apex | cls | 1 |
| Asymptote | asy | 1 |
| CoNLL-U | conllu conll | 2 |
| NCAR Command Language | ncl | 1 |
| MQL5 | mq5 mqh mq4 | 3 |
| DM | dm dmf | 2 |
| Linden Scripting Language | lsl lslp | 2 |
| JSONiq | jq | 1 |
| DIGITAL Command Language | com | 1 |
| Z shell | .ZSH | 1 |
| Tea | tea | 1 |
| GDScript | gd | 1 |
| Filebench WML | f | 1 |
| Cryptol | cry | 1 |
| Eclipse Command Language | ecl | 1 |
| GNU Assembler | s S | 2 |
| ShaderLab | shader | 1 |
| PIC | pic chem | 2 |
| TSV | tsv | 1 |
| Mu | mu | 1 |
| Nix | nix | 1 |
| COLLADA | dae | 1 |
| Creole | creole | 1 |
| DNS Zone | zone arpa | 2 |
| gleam | gleam | 1 |
| Meson | meson.build meson_options.txt | 2 |
| Omgrofl | omgrofl | 1 |
| Mask | mask | 1 |
| Harbour | hb prg ch hbp | 4 |
| BBC BASIC | bbc | 1 |
| COMPONENT PASCAL | cp cps | 2 |
| Gettext Catalog | po pot | 2 |
| IcedCoffeeScript | coffee | 1 |
| CartoCSS | mss | 1 |
| Easybuild | eb | 1 |
| ooc | ooc | 1 |
| Rascal | rsc | 1 |
| Yorick | i | 1 |
| SCSS | sass scss | 2 |
| contracts.coffee | coffee | 1 |
| BlitzMax | bmx | 1 |
| Jasmin | j | 1 |
| RenderScript | rs rsh | 2 |
| Literate Agda | lagda | 1 |
| ToffeeScript | toffee | 1 |
| BlackCoffee | coffee | 1 |
| heap.coffee | coffee | 1 |
| Nit | nit | 1 |
| Game Maker Language | gml | 1 |
| Caffeine | coffee | 1 |
| EmberScript | em emberscript | 2 |
| UPC | upc | 1 |
| vyper | vy | 1 |
| OpenSCAD | scad | 1 |
| clay | clay | 1 |
| Edje Data Collection | edc | 1 |
| Slice | ice | 1 |
| Blender | blend | 1 |
| ROFF | roff 1 1in 1m 1x 2 3 3in 3m 3p 3pm 3qt 3x 4 5 6 7 8 9 l man mdoc me ms n nr rno tmac | 28 |
| OX | ox oxh oxo | 3 |
| SugarSS | sss | 1 |
| Whiley | whiley | 1 |
| GCC Machine Description | md | 1 |
| Jupyter Notebook | ipynb | 1 |
| Shen | shen | 1 |
| Mojo | mojo | 1 |
| GraphIt | gt | 1 |
| groff | [1-9] man 1p 3pm | 4 |
| Fancy | fy fancypack | 2 |
| Stan | stan | 1 |
| PogoScript | pogo | 1 |
| Brightscript | brs | 1 |
| winxed | winxed | 1 |
| Cycript | cy | 1 |
| Raku | 6pl 6pm nqp p6 p6l p6m pl pl6 pm pm6 raku rakumod t | 13 |
| SMT | smt2 smt | 2 |
| Ch | ck | 1 |
| Ezhil | n | 1 |
| FreeMarker | ftl | 1 |
| Pan | pan tpl | 2 |
| Pep8 | pep | 1 |
| Logtalk | lgt logtalk | 2 |
| SRecode Template | srt | 1 |
| TI Program | 8xp 8xk 8xktxt 8xptxt | 4 |
| WebIDL | webidl | 1 |
| Sieve mail filtering language | sieve siv | 2 |
| JSON with Comments | jsonc code-snippets sublime-build sublime-commands sublime-completions sublime-keymap sublime-macro sublime-menu sublime-mousemap sublime-project sublime-settings sublime-theme sublime-workspace sublime_metrics sublime_session | 15 |
| MAXScript | ms mcr | 2 |
| Property list | plist | 1 |
| Umple | ump | 1 |
| LoomScript | ls | 1 |
| Basis Codec | basis | 1 |
| desktop | desktop desktopin service | 3 |
| Type Language | tl | 1 |
| Windows Registry Entries | reg | 1 |
| Programming Language for Business | rl ps cb | 3 |
| MOO | moo | 1 |
| OpenEdge ABL | p cls w | 3 |
| Jolie | ol iol | 2 |
| Opal | opal | 1 |
| RPM Spec | spec | 1 |
| ColdFusion Components | cfc | 1 |
| nesC | nc | 1 |
| Jison Lex | jisonlex | 1 |
| Blade | blade bladephp | 2 |
| AviSynth | .avs | 1 |
| M4Sugar | m4 | 1 |
| Smiles | smi | 1 |
| Parrot Assembly | pasm | 1 |
| Molfile | mol | 1 |
| Earl Grey | eg | 1 |
| Logos | xm x xi xmi | 4 |
| Spline Font Database | sfd | 1 |
| Xgboost | model | 1 |
| TAP | tap | 1 |
| XC | xc | 1 |
| HiveQL | q hql | 2 |
| monte | mt | 1 |
| Cypher Query Language | cyp cypher | 2 |
| MXML | mxml | 1 |
| EEX | eex htmlheex htmlleex | 3 |
| JSX | jsx | 1 |
| Lux | lux | 1 |
| Semantic Patch Language | cocci | 1 |
| NestedText | nt | 1 |
| KRL | krl | 1 |
| Q# | qs | 1 |
| Genshi | kid | 1 |
| Module Management System | mms mmk | 2 |
| 1C Enterprise Script | bsl os | 2 |
| Uiua | ua | 1 |
| XPages | xsp-config xspmetadata | 2 |
| Sweave | rnw | 1 |
| Newspeak | ns2 | 1 |
| spider | spider | 1 |
| Object Rexx | rxs rex | 2 |
| Gentoo Ebuild | ebuild | 1 |
| HXML | hxml | 1 |
| Rescript | res | 1 |
| UnrealScript | uc | 1 |
| Subleq | sq | 1 |
| Simple Actor Language System and Architecture | salsa | 1 |
| BARE | bare | 1 |
| Grammatical Framework | gf | 1 |
| Qore | q qm qtest | 3 |
| Aheui | aheui | 1 |
| Mako | mako mao | 2 |
| BitBake | bb | 1 |
| Gherkin | feature story | 2 |
| mpl | mpl | 1 |
| FAUST | dsp | 1 |
| Handlebars | handlebars hbs | 2 |
| ObjDump | objdump | 1 |
| ApacheConf | apacheconf vhost .htaccess apache.conf apache2.conf | 5 |
| Nymph | n | 1 |
| Recfiles | rec | 1 |
| Jsonnet | jsonnet libsonnet | 2 |
| Dale | dt | 1 |
| GN | gn gni | 2 |
| SQF | sqf hqf | 2 |
| tcsh | tcsh csh | 2 |
| Ligo | religo | 1 |
| basic calculator | bc | 1 |
| Snap! | ypr ysp xml | 3 |
| vdscript | VirtualDub.jobs | 1 |
| Ren | ren | 1 |
| Formatted Table | for eamfs | 2 |
| Z | zz | 1 |
| Genero Business Development Language | 4gl | 1 |
| holyc | hc | 1 |
| Uniform eXchange Format | uxf, ux* | 2 |
| Zimpl | zimpl zmpl zpl | 3 |
| Egison | egi | 1 |
| Cirru | cirru | 1 |
| Grace | grace | 1 |
| Adobe Font Metrics | afm | 1 |
| Boron | b sb | 2 |
| astro | astro | 1 |
| NWScript | nss | 1 |
| Redcode | cw | 1 |
| Adventure Game Studio Script | asc ash | 2 |
| Kit | kit | 1 |
| Charity | ch | 1 |
| Pawn | pwn inc sma p | 4 |
| epsilon | eol | 1 |
| MXF | mxf | 1 |
| JSLT | jslt | 1 |
| TextMate Language | tmLanguage | 1 |
| Rouge | rg | 1 |
| Groovy Server Pages | gsp | 1 |
| UCG | ucg | 1 |
| JS++ | jspp | 1 |
| pointless | ptls | 1 |
| JSON Lines | ldj jsonl | 2 |
| zenscript | zs | 1 |
| Z-flat | zf | 1 |
| Coco | co | 1 |
| parasail | .psi .psl psi psl | 4 |
| Breccia | brec | 1 |
| Soy | soy | 1 |
| TOM object-oriented | t | 1 |
| OpenType Feature File | fea | 1 |
| Augeas | aug | 1 |
| Sibilant | sibilant | 1 |
| Wavefront Material | mtl | 1 |
| Fj枚lnir | fjo fjv sma ein | 4 |
| verifpal | vp | 1 |
| Linux Kernel Module | ko mod | 2 |
| Bro | bro | 1 |
| LinearML | lml | 1 |
| CSpydr | csp | 1 |
| Velocity Template Language | vtl | 1 |
| plam | plam | 1 |
| STON | ston | 1 |
| HyPhy | bf | 1 |
| DataWeave | dwl | 1 |
| GAML | gaml | 1 |
| Kal | kal | 1 |
| World of Warcraft Addon Data | toc | 1 |
| Easytrieve | ezt mac | 2 |
| Promela | pml | 1 |
| Mscgen | msc | 1 |
| buzz | buzz | 1 |
| Vyxal | vy vyxal | 2 |
| ObjectScript | cls | 1 |
| Candy | candy | 1 |
| mint | mint | 1 |
| GorillaScript | gs | 1 |
| Sugar | sjs | 1 |
| ten | ten | 1 |
| Macchiato | at | 1 |
| hoon | hoon | 1 |
| Filterscript | fs | 1 |
| Functional PHP Preprocessor | fpp | 1 |
| crmsh | crmsh pcmk | 2 |
| Scala Markup Language | scaml | 1 |
| Gren | gren | 1 |
| Zeek | zeek bro | 2 |
| FloScript | flo | 1 |
| video | .rkt | 1 |
| Kuin | kn | 1 |
| Pharen | phn | 1 |
| Linker Script | ld lds x | 3 |
| TAL | tal | 1 |
| clarity | clar | 1 |
| Literate Haskell | lhs | 1 |
| RHTML | rhtml | 1 |
| ugBASIC | .bas | 1 |
| Boogie | bpl | 1 |
| rbs | rbs | 1 |
| Frank | fk | 1 |
| Kaffeine | k | 1 |
| Glyph | glf | 1 |
| Savi | savi | 1 |
| Slideshow | .rkt | 1 |
| IRC chat logs | irclog weechatlog | 2 |
| Zork Implementation Language | zil mud | 2 |
| Nadesiko | nako nako3 | 2 |
| Dasm | dasm16 dasm | 2 |
| SpiderBasic | pb | 1 |
| Unity3D Asset | anim asset mask mat meta prefab unity | 7 |
| ATLAS Transformation Language | atl | 1 |
| Miva | mv mvc mvt | 3 |
| CLAIRE | cl | 1 |
| Urbiscript | u | 1 |
| Link | link | 1 |
| stella | ste | 1 |
| ca65 Assembly | s | 1 |
| Rita | rita | 1 |
| plink-ped-format | ped | 1 |
| Kami | km | 1 |
| OMG IDL | idl pidl | 2 |
| 4th Dimension | 4dm | 1 |
| Sublime Syntax | sublime-syntax | 1 |
| TI-89 series | 89p | 1 |
| Devicetree | dts dtsi | 2 |
| nimrod | nim nimrod | 2 |
| Jisp | jisp | 1 |
| Sun Raster | sun ras | 2 |
| QOIR | qoir | 1 |
| Ham | ham | 1 |
| formality | fm | 1 |
| X PixMap | xpm pm | 2 |
| AmbientTalk | at | 1 |
| git-config | gitconfig | 1 |
| Snowball | sbl | 1 |
| CBOR data definition language | cddl | 1 |
| Myghty | myt autodelegate | 2 |
| RigC | rigc | 1 |
| RTF | rtf | 1 |
| Storymatic | coffee | 1 |
| Marine Trading Markup Language | mtml | 1 |
| Procfile | Procfile | 1 |
| srv | srv | 1 |
| USD | usd usda | 2 |
| TASM | asm ASM tasm | 3 |
| CheetahTemplate | tmpl spt | 2 |
| Hot Cocoa Lisp | hcl | 1 |
| Bizubee | jsl | 1 |
| Nasal | nas | 1 |
| plantuml | puml iuml plantuml | 3 |
| Darcs Advanced Revision Control System | darcspatch dpatch | 2 |
| SubX | subx | 1 |
| Todotxt | todo.txt todotxt | 2 |
| Spice | spice | 1 |
| Autoconf | ac | 1 |
| ASP.NET | asax ascx ashx asmx aspx axd | 6 |
| PromQL | promql | 1 |
| phylip | phy ph | 2 |
| Public Key File | asc pub | 2 |
| REALBasic (now Xojo) | rbbas rbfrm rbmnu rbres rbtbar rbuistate | 6 |
| Pickle | pkl | 1 |
| SARL | sarl | 1 |
| Typoscript | typoscript | 1 |
| ASCII Armor | asc pem id_dsa id_ecdsa id_ecdsa_sk id_ed25519 id_ed25519_sk id_rsa | 8 |
| boa | boa | 1 |
| Freefem | edp | 1 |
| Parasolid | x_t x_b | 2 |
| RQL | rql | 1 |
| Statement List | stl | 1 |
| WebAssembly Text Format | wast | 1 |
| arrow | arw | 1 |
| DUEL | duel jbst | 2 |
| RAISE Specification Language | rsl | 1 |
| Extempore | xtm | 1 |
| JMESPath | jp | 1 |
| plink-bed-format | bed | 1 |
| skew | sk | 1 |
| SquidConf | squid.conf | 1 |
| teal | teal | 1 |
| Wolfram Data Framework | wdf wdf.nb wdf.json | 3 |
| pyke | fb krb kqb | 3 |
| SmartGameFormat | sgf | 1 |
| SNBT | snbt | 1 |
| D++ | dpp dpl | 2 |
| GSQL | gsql | 1 |
| JSGF | jsgf | 1 |
| Elpi | elpi | 1 |
| plink-bim-format | bim | 1 |
| plink-fam-format | fam | 1 |
| Smithy | smithy | 1 |
| bag-format | bag | 1 |
| juttle | juttle | 1 |
| PacmanConf | pacman.conf | 1 |
| PkgConfig | pc | 1 |
| plink-map-format | map | 1 |
| tiddler | tid | 1 |
| Lighttpd configuration file | lighttpd.conf | 1 |
| Pluk | .pluk | 1 |
| ROS Message | msg | 1 |
| TypeScript Type Declarations | d.ts | 1 |
| rds-format | rds | 1 |
| dalvik-bytecode | dex | 1 |
| Xmind Format | xmind | 1 |
| A51 Assembly | a51 | 1 |
| C Header Files | h | 1 |
| cimfast | cel | 1 |
| ICML | icml | 1 |
| npy | npy | 1 |
| ProVerif | pv | 1 |
| rdata-format | Rdata rdata rda RData | 4 |