Independent Property Rights: GstarCAD is based on independent intellectual property rights and patented core technologies owned by Gstarsoft. Friendly User Interface: User interface and operating habits are very similar to ACAD, which is easier to operate and use. Zero training is needed for ACAD users. Data Compatibility: Completely compatible with ACAD in data format, supporting the latest DWG/DXF up to version 2018. Innovative Technologies: Unique and innovative technologies like Intelligent Display, Hierarchical Memory Exchange, and Graphics Data Adaptive Compression are adopted to significantly enhances the speed in handling large drawings. Application Development: Code-level compatible APIs ensures LISP/FAS/VLX plug-ins programmed on ACAD can directly run on GstarCAD while VBA/.NET/ARX plug-ins can be seamlessly transplanted. Multi-platform Application: View, manage and share DWG drawings from multiple devices by one click and enjoy mobile design and communication together with more than 10,000,000 DWG FastView users around the world.