All your language specs, in one place

The easiest way to find the formal language specification for your favorite programming language.

C#
Java
PHP
VB.NET
Perl
Python
Haskell
Objective-C
Delphi
TypeScript
Rust
F#
Scala
Go
Clojure
Kotlin
Swift
JavaScript
Ruby
Erlang
OCaml
Julia
R
Lua
Groovy

This site simply maintains a link to the official location for the language spec so the language authors keep responsibility for their respective languages. If you see something wrong with the site, need to correct the link or logo for a spec, or want to add a spec that's missing, head on over to GitHub and submit a pull request.