axmol/external/README.md

# The engine-x thirdparty libraries
## angle
- Upstream: https://github.com/google/angle
- Version: 2.1.0.4439 branch on chromium/4439
- License: BSD WITH The ANGLE Project Authors

## astc
- Upstream: https://github.com/ARM-software/astc-encoder
- Version: NA
- License: Apache-2.0

## Box2D
- Upstream: https://github.com/erincatto/box2d
- Version: 2.4.1
- License: MIT

## Bullet
- Upstream: https://github.com/bulletphysics/bullet3
- Version: 3.09
- License: zlib

## c-ares
- Upstream: https://github.com/c-ares/c-ares
- Version: 1.17.1-809d5e8 (2055)
- License: MIT

## Chipmunk2D
- Upstream: https://github.com/slembcke/Chipmunk2D
- Version: git 7.0.3-1d01b2a (1452)
- License: MIT

## Clipper
- Upstream: https://sourceforge.net/projects/polyclipping/files/
- Version: 6.4.2
- License: BSL-1.0

## ConvertUTF
- Upstream: https://github.com/llvm/llvm-project
- Version: NA
- License: Apache-2.0 WITH LLVM-exception

## curl
- Upstream: https://github.com/curl/curl
- Version: 7.76.1 with cmake modification: replace 'BUILD_SHARED_LIBS' with 'CURL_BUILD_SHARED_LIBS'
- License: Curl (MIT/X)

## edtaa3func
- Upstream: https://github.com/zilongshanren/edtaa3func
- Version: git d02e47d 
- License: MIT

## fastlib
- Upstream: https://github.com/simdsoft/fastlib
- Version: git f85644f
- License: Apache-2.0

## flatbuffers
- Upstream: https://github.com/google/flatbuffers
- Version: 1.12.0
- License: Apache-2.0

## FreeType
- Upstream: https://www.freetype.org/
- Version: 2.10.4 with modification: fix FindHarfBuzz.cmake min version doesn't work
- License: BSD-style (The FreeType Project)

## Glad
- Upstream: https://github.com/Dav1dde/glad
- Version: 0.1.34
- License: MIT

## glfw
- Upstream: https://github.com/glfw/glfw
- Version: git 0e9ec77 (4239)
- License: zlib

## glsl-optimizer
- Upstream: https://github.com/aras-p/glsl-optimizer
- Version: git d78c3d2
- License: MIT

## jpeg (libjpeg-turbo)
- Upstream: https://github.com/libjpeg-turbo/libjpeg-turbo
- Version: 2.1.0-3932190 (2249) with CMakeLists.txt modified for sutiable as a thirdparty of CMake build system
- License: BSD-style (IJG,BSD-3-Clause,zlib)

## kcp
- Upstream: https://github.com/skywind3000/kcp
- Version: 1.7
- License: MIT

## lua
- plainlua
  - Upstream: http://www.lua.org/
  - Version: 5.3.6 with modified for bytecode 32/64bit compatible
  - License: MIT (http://www.lua.org/license.html)

- luajit
  - Upstream: https://github.com/LuaJIT/LuaJIT
  - Version: 2.1.0-beta3
  - License: MIT

- tolua
  - Upstream: https://github.com/LuaDist/toluapp
  - Version: 1.0.93
  - License: MIT

## lz4
- Upstream: https://github.com/lz4/lz4
- Version: git 1.9.3-bdc9d3b (2541)
- License: BSD 2-Clause

## md5
- Upstream: NA
- Version: NA
- License: Aladdin Enterprises

## minimp3
- Upstream: https://github.com/lieff/minimp3
- Version: git 0757ad7(308)
- License: CC0-1.0

## mio
- Upstream: https://github.com/mandreyel/mio
- Version: git 8c0d3c7 (125)
- License: MIT

## ogg & vorbis
- ogg
  - Upstream: https://github.com/xiph/ogg 
  - Version: git 1.3.4-31bd3f2 (562)
  - License: BSD-3-Clause

- vorbis
  - Upstream: https://github.com/xiph/vorbis
  - Version: git 1.3.7-83a82dd (1569)
  - License: BSD-3-Clause

## OpenAL Soft
- Upstream: https://github.com/kcat/openal-soft
- Version: git 1.21.1-4733c9f (7628)
- License: LGPL-2.1

## OpenSSL
- Upstream: https://github.com/openssl/openssl
- Version: 1.1.1h
- License: Apache-2.0

## png
- Upstream: https://github.com/glennrp/libpng
- Version: git 1.6.38-dbe3e0c (4088) with arm64 neon detect fix
- License: PNG Reference Library License version 2

## poly2tri
- Upstream: https://github.com/jhasse/poly2tri
- Version: NA
- License: BSD-3-Clause

## pugixml
- Upstream: https://github.com/zeux/pugixml
- Version: 1.11
- License: MIT

## rapidjson
- Upstream: https://github.com/Tencent/rapidjson
- Version: 1.1.0
- License: MIT

## recast
- Upstream: https://github.com/recastnavigation/recastnavigation
- Version: git 65b314a (747) with dtCrowd::getEditableAgentAnim
- License: zlib

## sol2
- Upstream: https://github.com/ThePhD/sol2
- Version: 2.20.6 with vs2019 compile fixes
- License: MIT

## stb (stb_image)
- Upstream: https://github.com/nothings/stb
- Version: 2.26 with bmp load fixes
- License: MIT

## tinydir
- Upstream: https://github.com/cxong/tinydir
- Version: git 1.2.4-ec6bff2 (168)
- License: BSD-2-Clause

## tsl (robin-map)
- Upstream: https://github.com/Tessil/robin-map
- Version: git 0.6.3-84c1bee (100)
- License: MIT

## unzip (minizip-1.2)
- Upstream: https://github.com/simdsoft/mz12
- Version: 1.2 with bugfixs & improvements
- License: zlib

## webp
- Upstream: https://github.com/webmproject/libwebp
- Version: git 1.1.0-17fd4ba (4098)
- License: Google Inc

## xsxml
- Upstream: https://github.com/simdsoft/xsxml
- Version: 1.0
- License: MIT

## xxHash
- Upstream: https://github.com/Cyan4973/xxHash
- Version: 0.8.0
- License: BSD-2-Clause

## yasio
- Upstream: https://github.com/yasio/yasio
- Version: 3.37.0
- License: MIT WITH Anti-996

## zlib
- Upstream: https://github.com/madler/zlib
- Version: 1.2.11
- License: zlib

## libiconv
- Upstream: https://savannah.gnu.org/projects/libiconv
- Version: 1.16.0
- License: LGPL-2.1

## ntcvt
- Upstream: https://github.com/simdsoft/ntcvt
- Version: 0.0.1
- License: Apache-2.0