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Language Defaults

The editor comes with a lot of built-in language servers, here is a comprehensive list showing support for all of the languages.

This menu is also available if you run hx --health in the terminal.

Language Support

LanguageSyntax HighlightingTreesitter TextobjectsAuto IndentDefault LSP
ada✓✓ada_language_server
adl✓✓✓
agda✓
astro✓
awk✓✓awk-language-server
bash✓✓✓bash-language-server
bass✓bass
beancount✓
bibtex✓texlab
bicep✓bicep-langserver
bitbake✓bitbake-language-server
blade✓
blueprint✓blueprint-compiler
c✓✓✓clangd
c-sharp✓✓OmniSharp
cabalhaskell-language-server-wrapper
cairo✓✓✓cairo-language-server
capnp✓✓
cel✓
circom✓circom-lsp
clojure✓clojure-lsp
cmake✓✓✓cmake-language-server
comment✓
common-lisp✓✓cl-lsp
cpon✓✓
cpp✓✓✓clangd
crystal✓✓crystalline
css✓✓vscode-css-language-server
cue✓cuelsp
cylc✓✓✓
d✓✓✓serve-d
dart✓✓✓dart
dbml✓
devicetree✓
dhall✓✓dhall-lsp-server
diff✓
docker-compose✓✓✓docker-compose-langserver, yaml-language-server
dockerfile✓✓docker-langserver
dot✓dot-language-server
dtd✓
dune✓
earthfile✓✓✓earthlyls
edoc✓
eex✓
ejs✓
elisp✓
elixir✓✓✓elixir-ls
elm✓✓elm-language-server
elvish✓elvish
env✓✓
erb✓
erlang✓✓erlang_ls, elp
esdl✓
fidl✓
fish✓✓✓
forth✓forth-lsp
fortran✓✓fortls
fsharp✓fsautocomplete
gas✓✓
gdscript✓✓✓
gemini✓
gherkin✓
git-attributes✓
git-commit✓✓
git-config✓✓
git-ignore✓
git-rebase✓
gjs✓✓✓typescript-language-server, vscode-eslint-language-server, ember-language-server
gleam✓✓gleam
glimmer✓ember-language-server
glsl✓✓✓glsl_analyzer
gn✓
go✓✓✓gopls, golangci-lint-langserver
godot-resource✓✓
gomod✓gopls
gotmpl✓gopls
gowork✓gopls
graphql✓✓graphql-lsp
groovy✓
gts✓✓✓typescript-language-server, vscode-eslint-language-server, ember-language-server
hare✓
haskell✓✓haskell-language-server-wrapper
haskell-persistent✓
hcl✓✓✓terraform-ls
heex✓✓elixir-ls
helm✓helm_ls
hocon✓✓✓
hoon✓
hosts✓
html✓vscode-html-language-server, superhtml
hurl✓✓✓
hyprlang✓✓
idrisidris2-lsp
iex✓
ini✓
inko✓✓✓
janet✓
java✓✓✓jdtls
javascript✓✓✓typescript-language-server
jinja✓
jjdescription✓
jq✓✓jq-lsp
jsdoc✓
json✓✓✓vscode-json-language-server
json5✓
jsonc✓✓vscode-json-language-server
jsonnet✓jsonnet-language-server
jsx✓✓✓typescript-language-server
julia✓✓✓julia
just✓✓✓
kdl✓✓✓
koka✓✓koka
kotlin✓kotlin-language-server
latex✓✓texlab
ld✓✓
ldif✓
lean✓lean
ledger✓
llvm✓✓✓
llvm-mir✓✓✓
llvm-mir-yaml✓✓
log✓
lpf✓
lua✓✓✓lua-language-server
make✓✓
markdoc✓markdoc-ls
markdown✓marksman, markdown-oxide
markdown.inline✓
matlab✓✓✓
mermaid✓
meson✓✓mesonlsp
mintmint
mojo✓✓✓mojo-lsp-server
move✓
msbuild✓✓
nasm✓✓
nickel✓✓nls
nim✓✓✓nimlangserver
nix✓✓nil, nixd
nu✓nu
nunjucks✓
ocaml✓✓ocamllsp
ocaml-interface✓ocamllsp
odin✓✓ols
ohm✓✓✓
opencl✓✓✓clangd
openscad✓openscad-lsp
org✓
pascal✓✓pasls
passwd✓
pem✓
perl✓✓✓perlnavigator
pest✓✓✓pest-language-server
php✓✓✓intelephense
php-only✓
pkgbuild✓✓✓pkgbuild-language-server, bash-language-server
pkl✓✓
po✓✓
pod✓
ponylang✓✓✓
powershell✓
prisma✓✓prisma-language-server
prologswipl
protobuf✓✓✓bufls, pb
prql✓
purescript✓✓purescript-language-server
python✓✓✓ruff, jedi-language-server, pylsp
qml✓✓qmlls
r✓R
racket✓✓racket
regex✓
rego✓regols
rescript✓✓rescript-language-server
rmarkdown✓✓R
robot✓robotframework_ls
ron✓✓
rst✓
ruby✓✓✓solargraph
rust✓✓✓rust-analyzer
sage✓✓
scala✓✓✓metals
scheme✓✓
scss✓vscode-css-language-server
slint✓✓✓slint-lsp
smali✓✓
smithy✓cs
sml✓
snakemake✓✓pylsp
solidity✓✓solc
spicedb✓
sql✓✓
sshclientconfig✓
starlark✓✓
strace✓
supercollider✓
svelte✓✓svelteserver
sway✓✓✓forc
swift✓✓sourcekit-lsp
t32✓
tablegen✓✓✓
tact✓✓✓
task✓
tcl✓✓
templ✓templ
tfvars✓✓terraform-ls
thrift✓
todotxt✓
toml✓✓taplo
tsq✓
tsx✓✓✓typescript-language-server
twig✓
typescript✓✓✓typescript-language-server
typespec✓✓✓tsp-server
typst✓tinymist, typst-lsp
ungrammar✓
unison✓✓
uxntal✓
v✓✓✓v-analyzer
vala✓✓vala-language-server
verilog✓✓svlangserver
vhdl✓vhdl_ls
vhs✓
vue✓vue-language-server
wast✓
wat✓
webc✓
wgsl✓wgsl_analyzer
wit✓✓
wren✓✓✓
xit✓
xml✓✓
xtc✓
yaml✓✓✓yaml-language-server, ansible-language-server
yuck✓
zig✓✓✓zls