This is a list of open-source programming languages and the open-source license it is released under.
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List of open-source programming languages[1][2][3]
| Programming Language | License |
| Ada | GPL, GMGPL |
| Apache Groovy | Apache License 2.0 |
| AssemblyScript | Apache 2.0 |
| Bash | GPL |
| Befunge | MIT |
| C | GNU GPL, BSD, MIT |
| C# | MIT, Apache 2.0 |
| C++ | GNU GPL, BSD, MIT |
| Carbon | Apache 2.0 |
| Chapel | Apache 2.0 |
| Clojure | Eclipse Public License 1.0 |
| Crystal | Apache 2.0 |
| Cython | Apache 2.0 |
| D | Boost Software License |
| Dart | BSD |
| Elixir | Apache 2.0 |
| Elm | Permissive (Revised BSD) |
| Erlang | Apache 2.0 |
| F# | MIT |
| F* (F Star) | Apache 2.0 |
| Factor | BSD |
| Gforth | GNU GPLv3 |
| Gleam | Apache 2.0 |
| GNU AWK | GPL (Gawk) |
| GnuCOBOL | GPL, LGPL |
| GNU Data Language (GDL) | GNU GPL-2.0 |
| GNU Fortran | GNU GPL v3 |
| Go | BSD-style |
| Golo | EPL-1.0 |
| Gosu | Apache License 2.0 |
| Hack | MIT |
| Haskell | BSD |
| Haxe | GPL 2.0, library: MIT |
| Icon | GPL-2.0-or-later |
| IDL | GPL |
| Idris | MIT |
| Io | MIT |
| J | GPL |
| Java | GPL with Classpath Exception |
| JavaScript | MIT, Apache, BSD |
| Lisp | Various, including MIT License, GPL |
| LiveScript | MIT |
| Julia | MIT |
| Kotlin | Apache 2.0 |
| Lua | MIT |
| Marlin | GPLv3 |
| Mercury | LGPL |
| MicroPython | MIT |
| ML | GPL, MIT, BSD |
| Mojo | Apache 2.0 with LLVM Exceptions |
| Nim | MIT |
| Nu (programming language) | Apache 2.0 |
| Oberon | GPL-2.0 |
| Object REXX | CPL 1.0, GPLv2 |
| OCaml | LGPLv2.1 |
| Perl | Artistic License or GPL |
| Pharo | MIT, partly Apache 2.0 |
| PHP | PHP License |
| Pony | MIT |
| PowerShell Core | MIT |
| Prolog | BSD, GPL (SWI-Prolog) |
| Pure Data | BSD-3-Clause |
| PureScript | BSD |
| Python | Python Software Foundation License |
| R | GPL |
| Racket | MIT, Apache 2.0 |
| Raku | GNU GPL or Artistic License 2.0 |
| Red | modified BSD and Boost |
| Ring | MIT |
| Ruby | BSD, MIT, Ruby License |
| Rust | Apache 2.0 or MIT |
| Scala | BSD |
| Shell | Various, often GPL |
| SQL | Various |
| Swift | Apache 2.0 |
| Tcl | Tcl/Tk License |
| Terra | MIT |
| TypeScript | Apache 2.0 |
| V | MIT |
| Vala | LGPL-2.1 |
| Zig | MIT |
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