Node.js  

nodejs.org

Java  

Python  

python.org

ASP.NET  

asp.net

ASP.NET Core  

github.com

TypeScript  

typescriptlang.org

Go  

go.dev

Kotlin  

kotlinlang.org

PHP  

php.net

Swift Language    

swift.org

Elixir  

elixir-lang.org

Scala  

scala-lang.org

Elm  

elm-lang.org

Julia  

julialang.org

Haskell  

haskell.org

Racket  

racket-lang.org

Lua  

lua.org

Hackr.io  

hackr.io

Solidity  

solidity.readthedocs.io

Perl  

Stylus Lang  

stylus-lang.com

Pug

pugjs.org

OmniSharp

omnisharp.net

Object Pascal defunct

YAML

yaml.org

Tool Command Language

tcl.tk

Artoo

artoo.io

Qt

qt.io

R

r-project.org

Visual Basic

docs.microsoft.com

ReactiveX

reactivex.io

Roslyn

github.com

Ruby

ruby-lang.org

Rust

rust-lang.org

Scratch

scratch.mit.edu

Solid

solidproject.org

Delphi defunct

delphionline.eu

Basic (programming) defunct

C

Clang

clang.llvm.org

Clojure

clojure.org

CocoaPods

cocoapods.org

CoffeeScript

coffeescript.org

C++

isocpp.org

Crystal Language

crystal-lang.org

C#

D

dlang.org

Dart

dartlang.org

Mustache

mustache.github.io

F#

FORTRAN defunct

ibm.com

Globus Swift

swift-lang.org

GraphQL

graphql.org

Idris

idris-lang.org

Imba

imba.io

LESS

lesscss.org

Lisp

lisp-lang.org

MicroPython  

micropython.org

Modula-2

modula2.org

MSBuild

docs.microsoft.com