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GstarCAD is a 2D/3D CAD design and drafting software brand developed by Gstarsoft Co., Ltd.

Last updated November 4, 2026

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Overview

GstarCAD is a CAD software brand offered by Gstarsoft Co., Ltd., a company established in 2001. The product line spans 2D CAD, industry solutions such as GstarCAD Mechanical and GstarCAD Architecture, cloud collaboration tools including GstarCAD 365 and GstarCAD Cloud, mobile and viewer applications such as DWG FastView, and BIM & 3D CAD offerings including GstarBIM and Houseplan 2.0. The company states that its products and services cover more than 175 countries and regions, with a cumulative global user base exceeding 100 million.

History

The predecessor of Gstarsoft was established in Beijing in 1992. Gstarsoft Co., Ltd. was incorporated in 2001 and established a software park dedicated to independent development of platform software. In 2003, the first version of GstarCAD was released. In 2007, the first English version of GstarCAD was released and international business began.

  • 2007

    Released the first English version of GstarCAD and started international business.

  • 2003

    Released the first version of GstarCAD.

  • 2001

    Gstarsoft Co., Ltd. was incorporated and established a software park dedicated to independent development of platform software.

  • 1992

    The predecessor of Gstarsoft was established in Beijing.

Products and positioning

A leading provider of R&D-focused industrial software delivering 2D CAD, 3D CAD, BIM, AI CAD, and cloud-based CAD solutions.

  • GstarCAD

    2D CAD software.

  • GstarCAD Mechanical

    Automated and intelligent CAD tools for quicker mechanical designing and drawing.

  • GstarCAD Architecture

    Professional CAD software for architectural and construction design.

  • GstarCAD 365

    A new model for collaborative design from traditional to cloud-based CAD.

  • GstarBIM

    All-in-one BIM software for architects and interior designers.

  • Houseplan 2.0

    Fast, easy, and powerful 3D design plan software.

Controversies

  • 2021

    Sued by IntelliCAD Consortium for Source Code Misappropriation, Pays $4.2 Million Settlement

    The IntelliCAD Technology Consortium (ITC) sued Gstarsoft in the U.S. District Court for Oregon, alleging that GstarCAD 8 and later versions misappropriated its source code and infringed copyright and trade secrets; Gstarsoft said it developed the software independently. In April 2021, the parties reached a global settlement under which Gstarsoft paid $4.2 million, with neither side admitting liability.

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