If you aren't a student and don't want to pay for a subscription, these tools offer similar functionality to AutoCAD 2020:
If you are a student or educator, you can get a for AutoCAD (including versions like 2024 or 2025) which is renewable as long as you are eligible. Auto Cad Free Software 20
While there is no version officially titled "AutoCAD Free Software 20," this likely refers to seeking free ways to access or modern equivalents. If you aren't a student and don't want
: A completely free, open-source 2D CAD application. It is lightweight and works on Windows, macOS, and Linux. It is lightweight and works on Windows, macOS, and Linux
Autodesk offers a web-based version of AutoCAD. While the full "Web" subscription costs money, there is often a or "Web Lite" features available through an Autodesk account.
: Best if you need 3D modeling. It is a parametric 3D modeler made primarily to design real-life objects of any size.