THIRDPARTY

The Julia language is licensed under the MIT License (see LICENSE.md ). The "language" consists of the compiler (the contents of src/), most of the standard library (base/ and stdlib/), and some utilities (most of the rest of the files in this repository). See below for exceptions.

• crc32c.c (CRC-32c checksum code by Mark Adler) [ZLib].
• LDC (for ccall/cfunction ABI definitions) [BSD-3]. The portion of code that Julia uses from LDC is [BSD-3] licensed.
• LLVM (for parts of src/disasm.cpp) [UIUC]
• NetBSD (for setjmp, longjmp, and strptime implementations on Windows) [BSD-3]
• Python (for strtod implementation on Windows) [PSF]
• FEMTOLISP [BSD-3]

The following components included in Julia Base have their own separate licenses:

• base/ryu/* [Boost] (see ryu)
• base/special/{rem_pio2,hyperbolic}.jl [Freely distributable with preserved copyright notice] (see FDLIBM)

The Julia language links to the following external libraries, which have their own licenses:

• LIBUNWIND [MIT]
• LIBUV [MIT]
• LLVM [APACHE 2.0 with LLVM Exception]
• UTF8PROC [MIT]

and optionally:

• LibTracyClient [BSD-3]
• ITTAPI [BSD-3 AND GPL2]

Julia's stdlib uses the following external libraries, which have their own licenses:

• DSFMT [BSD-3]
• OPENLIBM [MIT, BSD-2, ISC]
• GMP [LGPL3+ or GPL2+]
• LIBGIT2 [GPL2+ with unlimited linking exception]
• CURL [MIT/X derivative]
• LIBSSH2 [BSD-3]
• OPENSSL [Apache 2.0]
• MPFR [LGPL3+]
• OPENBLAS [BSD-3]
• LAPACK [BSD-3]
• PCRE [BSD-3]
• SUITESPARSE [mix of BSD-3-Clause, LGPL2.1+ and GPL2+; see individual module licenses]
  • libamd [BSD-3-Clause]
  • libcamd [BSD-3-Clause]
  • libccolamd [BSD-3-Clause]
  • libcolamd [BSD-3-Clause]
  • libsuitesparseconfig [BSD-3-Clause]
  • libbtf [LGPL-2.1+]
  • libklu [LGPL-2.1+]
  • libldl [LGPL-2.1+]
  • libcholmod [LGPL-2.1+ and GPL-2.0+]
  • librbio [GPL-2.0+]
  • libspqr [GPL-2.0+]
  • libumfpack [GPL-2.0+]
• LIBBLASTRAMPOLINE [MIT]
• NGHTTP2 [MIT]

Julia's build process uses the following external tools:

• PATCHELF [GPL3]
• OBJCONV [GPL3]
• LIBWHICH [MIT]

Julia bundles the following external programs and libraries:

• 7-Zip
• ZLIB

On some platforms, distributions of Julia contain SSL certificate authority certificates, released under the Mozilla Public License.