Apps similar to C3 by Tetra720 include LibreCAD, which is free and open source. Other options are Autodesk AutoCAD, BricsCAD, DraftSight and Open CAD Studio. You can choose from more than 10 CAD Software like C3 by Tetra720 for Windows, Mac, Linux, the web and Android.
LibreCAD is an open source 2D CAD application for Windows, Apple and Linux. It is based on Qt, which is a leading cross-platform application and UI development framework.
Netherlands
EU
Leading CAD software known for its robust 2D and 3D modeling capabilities, facilitating intricate designs in architecture, engineering, and construction across Mac, PC, and web. Features include a dynamic API for customization, cloud access, and subscription-based service for continual updates and collaborations.
United States
BricsCAD the first all-in-one CAD design solution in .dwg that answers all your needs; 2D drafting, 3D modeling, mechanical design, and BIM. BricsCAD is a cost-effective, innovative, and familiar CAD solution.
BelgiumEU
Professional 2D CAD solution for editing and viewing DWG files, offering 3D modeling, advanced annotation, layer management, cross-platform support, customizable tools, collaborative features, automation, and a cost-effective alternative for architectural and engineering design.
FranceEU
Open CAD Studio: a modern, Open Source 2D + 3D CAD application that reads and writes DWG and DXF natively built in Rust, with GPU-accelerated rendering.
Türkiye
QCAD is an application for computer aided drafting in 2D. With QCAD you can create technical drawings such as plans for buildings, interiors, mechanical parts or schemas and diagrams.
GermanyEU
nanoCAD is a pro-grade 2D CAD system with native DWG support and full customizability. It is totally free, for business, professional, or personal purposes. It is fast, lightweight, capable, and , unlike most free CAD programs, completely uncrippled. nanoCAD includes:
Russia
GstarCAD is well-known alternative CAD software of high compatibility with ACAD. With 27 years of continuous improvement and innovation, today GstarCAD is far ahead in performance, stability and becomes leading CAD software in the world.
China
All the productive tools and smart features for 2D drafting and design that you expect at a reasonable price. With DWG 2010 as its primary drawing file format and DXF support.
Best selling AutoCAD replacement for the Apple Mac OS X - DWG/DXF 2D/3D - the AutoCAD alternative that costs about a fraction of AutoCAD. PDF 3D free export
Switzerland
