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DWG is the native file format for Autodesk’s AutoCAD® software.

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CADECS SDK © 2019 CSoft Development.

Teigha™ for .dwg files 2019 by Open Design Alliance. All rights reserved.

C3D Toolkit © C3D Labs. All rights reserved.

ANTLR 3 License [The BSD License] © 2010 Terence Parr. All rights reserved.

Cef3 (Chromium Embedded Framework) © 2008-2014 Marshall A. Greenblatt. Portions © 2006-2009 Google Inc. All rights reserved.

Boehm-Demers-Weiser Garbage Collector © 1988, 1989 Hans-J. Boehm, Alan J. Demers, ..., 1999-2011 by Hewlett-Packard Development Company (

The OpenGL Extension Wrangler Library Copyright © 2002-2007, Milan Ikits <milan ikits@ieee org> © 2002-2007, Marcelo E. Magallon <mmagallo@debian org> © 2002, Lev Povalahev

jbig2dec © Artifex Software, Inc. 2002-2005.

WpfTookit © Xceed Software, Inc.

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msdfgen Copyright © 2016 Viktor Chlumsky (

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boost (

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nanoflann Copyright © 2011-2020 Jose Luis Blanco-Claraco (

ChartControl Copyright © 2006-2010 Cedric Moonen (

Xerces-C++ XML parser Copyright © 1999-2017 The Apache Software Foundation. ( SPDX-License-Identifier: Apache-2.0).

CMake project libe57 Copyright 2010 Roland Schwarz (, Riegl LMS GmbH, All Rights Reserved. (

APNG Assembler Copyright © 2010-2016 Max Stepin (

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Scintilla Copyright 1998-2003 by Neil Hodgson

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