Siemens NX AlternativesCAD Software and other similar apps like Siemens NX

A powerful open-source parametric 3D modeler ideal for mechanical engineering, supporting Python scripting, running on Windows, Linux, and Mac, with modular architecture allowing extensive adaptability and use with scientific computing libraries.

Comprehensive 3D modeling software ideal for architecture, engineering, film, and gaming. It includes features like easy-to-use interface, sun and shadow analysis, color experimenting, and mock-up creation. Available in freeware and professional versions for diverse needs.

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.

OpenSCAD is a software for creating solid 3D CAD objects. It is free software and available for Linux/UNIX, MS Windows and MacOS.

Dune 3D operates as a parametric 3D Computer-Aided Design (CAD) software. It provides users with the capability to sketch and constrain both in 2D and 3D dimensions. Furthermore, it allows for the addition of chamfers and fillets to designs.

Leading 3D CAD software for design, analysis, and product data management, developed by Dassault Systèmes. Enhances productivity, fosters collaboration, and accelerates time to market. Features include parametric modeling, photorealistic rendering, and strong PLM process support.

A comprehensive CAD, CAM, and CAE solution that supports collaborative editing and cloud computation. It offers free-form modeling, data import, and toolpath generation. Free licenses are available for students, hobbyists, and startups, with seamless transition to commercial entitlements.

BRL-CAD is a powerful cross-platform open source solid modeling system that includes interactive geometry editing, high-performance ray-tracing for rendering and geometric analysis, image and signal-processing tools, a system performance analysis benchmark suite, libraries for...

Onshape is a professional CAD system – Parts, Assemblies, Drawings – with version control and collaboration built in. Each Onshape plan (Free, Education, Professional, and Enterprise) gives you all of the CAD and data management functionality with no time limit.

Software for 3D mechanical design, simulation, and visualization. Provides parametric, direct, and freeform design options, along with integrated simulation, CAM tools, and advanced rendering up to 16K resolution. Features include section views and customizable rendering environments.

CAD Sketcher is a free and open-source project looking to enhance precision workflows in Blender by bringing CAD like tools, features and usability to Blender.

With Creo Parametric, and its extensions, you can create, analyze, view, and share designs downstream using 2D CAD, 3D CAD, and parametric and direct modeling capabilities.