Third party libraries

bc7enc

• source: https://github.com/richgel999/bc7enc
• license: MIT / Public Domain

Bullet

• source: https://github.com/bulletphysics/bullet3
• license: zlib

Catch 2

• source: https://github.com/catchorg/Catch2
• license: boost

ConvectionKernels

• source: https://github.com/elasota/ConvectionKernels
• license: MIT

glad

• source: https://github.com/Dav1dde/glad
• license: MIT

Glad uses a python interpreter which is obtained by Vcpkg (see below).

GLFW

• source: https://github.com/glfw/glfw
• license: zlib

mikktspace

• source: https://github.com/tcoppex/ext-mikktspace
• license: zlib

Mirror of blender tangent space calculations: https://wiki.blender.org/index.php/Dev:Shading/Tangent_Space_Normal_Maps

OpenAL-soft

• source: https://github.com/kcat/openal-soft
• license: LGPL

This project dynamically links to openAl soft.

RmlUi

• source: https://github.com/mikke89/RmlUi
• license: MIT

Dear ImGui

• source: https://github.com/ocornut/imgui
• license: MIT

RTTR

• source: https://github.com/rttrorg/rttr
• license: MIT

stb

• source: https://github.com/nothings/stb
• license: Public domain / MIT

single file libraries being used:

stb_image

stb_image_resize

stb_image_write

stb_vorbis

GTK-for-Windows-Runtime-Environment-Installer

• source: https://github.com/tschoonj/GTK-for-Windows-Runtime-Environment-Installer
• license: None provided

Used to copy some dlls for the Engine editor. No license is provided, so LGPL is assumed as that is the case for all other GTK libraries

Vcpkg

• source: https://github.com/microsoft/vcpkg
• license: MIT

Vcpkg is used to build and obtain sources of other libraries. It also downloads a python interpreter, which is used for gl context binding creation.

Libraries used by the runtime engine are:

libpng

LibPng License - http://www.libpng.org/pub/png/src/libpng-LICENSE.txt

zlib

ZLib License - https://www.zlib.net/zlib_license.html

bzip2

bzip2 license - https://sourceware.org/bzip2/

---

Other libraries, which are used by the editor are:

atk

GNU LGPL License - https://developer.gnome.org/atk/

atkmm

GNU LGPL License - https://github.com/GNOME/atkmm/blob/master/COPYING

cairo

GNU LGPL License - https://www.cairographics.org/

cairomm-1.0

GNU LGPL License - https://www.cairographics.org/cairomm/

epoxy

MIT - https://github.com/anholt/libepoxy/blob/master/COPYING

expat

MIT - https://github.com/libexpat/libexpat/blob/master/expat/COPYING

fontconfig

MIT - https://www.freedesktop.org/wiki/Software/fontconfig/

freetype

FreeType License - https://www.freetype.org/license.html

gdk-pixbuf

GNU LGPL License - https://github.com/GNOME/gdk-pixbuf/blob/master/COPYING

glib

GNU LGPL License - https://github.com/GNOME/glib/blob/master/COPYING

glibmm

GNU LGPL License - https://github.com/GNOME/glibmm/blob/master/COPYING

gobject-2.0

GNU LGPL License - https://developer.gnome.org/gobject/

gtk-3.0

GNU LGPL License - https://github.com/GNOME/gtk/blob/master/COPYING

gtkmm

GNU LGPL License - https://www.gtkmm.org/en/license.html

harfbuzz

Old MIT - https://github.com/harfbuzz/harfbuzz/blob/master/COPYING

libffi

MIT - https://github.com/libffi/libffi/blob/master/LICENSE

libiconv

GNU LGPL License - https://www.gnu.org/software/libiconv/

libintl

GNU LGPL License - https://www.gnu.org/software/gettext/manual/html_node/GNU-LGPL.html#GNU-LGPL

pango

GNU LGPL License - https://github.com/GNOME/pango/blob/master/COPYING

pangomm

GNU LGPL License - https://github.com/GNOME/pangomm/blob/master/COPYING

pcre

BSD License - https://www.pcre.org/licence.txt

pixman-1

MIT - http://www.pixman.org/

sigc++

LGPL-3.0 - https://github.com/libsigcplusplus/libsigcplusplus/blob/master/COPYING