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- ink
- inkscape
- innosetup
- intel
- io
- ioke
- ionic-project
- isabelle
- istanbul
- j
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- json-1
- json-2
- json-ld1
- json-ld2
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- jsx-atom
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- kos
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- kubernetes
- kusto
- kusto-alt
- kx
- labview
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- latex
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- lefthook-alt
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- lex-alt
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- libuv
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- livescript
- llvm
- logtalk
- lolcode
- lookml
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- lua
- macaulay2
- macvim
- magit
- mako
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- manpage
- mapbox
- markdownlint
- marko
- mathematica
- mathjax
- matlab
- matroska
- max
- maya
- mdx
- mediawiki
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- meson
- meson-old
- metal
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- meteor
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- microsoft-excel
- microsoft-infopath
- microsoft-lync
- microsoft-onenote
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- microsoft-word
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- modernweb
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- modula-3
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- moleculer
- moment
- moment-timezone
- monkey
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- monotone
- motorola
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- mupad
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- normalise
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- nuclide
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- numpy-old
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- oberon
- objective-j
- ocaml
- octave
- odin
- ogone