COPYING

This file summarizes the basic licenses that apply to
the different parts of the project.

Key Licenses:
      3-Clause BSD (see data/distr/LICENSE.BSD)
      GPLv2+       (see data/distr/LICENSE.GPL)
      LGPL         (see data/distr/LICENSE.LGPL)

Basic Engine Components:
 Dependencies:
 * OpenAL (default, openAL-soft, LGPL)
 * PNG (+Zlib, Zlib License)
 * Freetype (BSD-like FT license or GPLv2)
 * SQLite3 (Public Domain)

 External Projects included or referenced:
 external/kissfft - 3-Clause BSD, (c) Mark Borgerdin
 external/hidapi - 3-Clause BSD, (c) Alan Ott

engine/* 3-Claused BSD with exceptions / attribution as follows:
      /arcan_lua.c - GPLv2 as an artifical restriction
                     plan is to relicense as BSD with 1.0 release.
      /arcan_ttf.* - Derived version from Sam Lantingas SDL_ttf (Zlib license)
      /arcan_math.c - public domain
      /arcan_math_simd.c - public domain

CMakeLists, platform/CMakeLists.* 3-Clause BSD
platform/agp/ 3-Clause BSD, Public Domain
platform/arcan/ 3-Clause BSD
platform/darwin/ 3-Clause BSD, Public Domain
platform/stub/ Public Domain
platform/cmake/ individually licensed, picked from various projects

frameserver/graphing/ 3-Clause BSD
frameserver/ntsc/ LGPL (affects highjack- library and libretro- frameserver)
frameserver/resampler 3-Clause BSD
frameserver/shl Public Domain (David Herrmann)

shmif/ 3-Clause BSD

shmif/tui 3-Clause BSD, MIT, LGPLv2+(shl_hash)
          Terminus Font, uses SIL OPEN FONT LICENSE 1.1 (scripts.sil.org/OFL)
          Copyright 2012 Dimitar Toshkov Zhekov
          Copyright 2013 Kim Silkebaekken, Nikolay Pavlov, Carl X Su

hijack/ 3-Clause BSD, Public Domain
doc/* and media files in data/resources CC-BY-30

tools/netproxy/ See individual README.md

examples/ Public Domain
tests/ Public Domain
distr/scripts/builtin/json.lua MIT (c) 2019 rxi (github.com/rxi)
distr/scripts/ Public Domain

Specific Platforms:
 SDL: (dependency) SDL1.2/SDL2, LGPL.
 EGL-DRI: (dependency) GLES, OpenGL3 or GLES3
 LWA: LGPL- tainted build, as we statically link a modified openAL-soft backend

Default Frameservers:
	net-cl, net-srv, net-shared, 3-Clause BSD (depends: libapr (apache licensed))
	libretro, GPLv2+ (depends: blarrg NTSC)
        encode, 3-Clause BSD (depends: FFMPEG, GPLv2+ licensed)
        decode-vlc, 3-Clause BSD (depends: libvlc-, LGPL)
        remoting, 3-Clause BSD (depends: libvncserver, GPLv2+)
  terminal, MIT (see COPYING in terminal/default/tsm), manually included dep.)
	          srcery-colorscheme, MIT