Top 10 Online CAD Software

Computer-aided design (CAD) software assists in the creation, modification, analysis, or optimization of a design. CAD software is used to increase the productivity of the designer, improve the quality of design, improve communications through documentation, and to create a database for manufacturing.
SOLIDWORKS 3D CAD software delivers powerful design functionality with the intuitive SOLIDWORKS user interface to speed your design process and make you instantly productive.
Architecture, engineering, and construction professionals rely on AutoCAD software to create precise 2D and 3D drawings.
SketchUp is 3D modeling software that's easy to learn and incredibly fun to use. Download SketchUp today for free and get started drawing in 3D.
FreeCAD is a parametric 3D modeler made primarily to design real-life objects of any size. Parametric modeling allows you to easily modify your design by going back into your model history and changing its parameters. FreeCAD is open-source and highly customizable, scriptable and extensible.
Tinkercad is an easy-to-use 3D CAD design tool. Quickly turn your idea into a CAD model for a 3D printer with Tinkercad.
DraftSight is a basic 2D drafting package that looks and feels very much like AutoCAD. It has all the drafting tools you'll need for generating professional looking plans: lines and polylines, dimensions and text, and full layering capabilities. DraftSight even uses the .DWG format as its file type, the same as Autodesk products.
Fusion 360 is the first 3D CAD/CAM tool of its kind, connecting your entire product development process in a single cloud-based tool. Quickly iterate on design ideas with sculpting tools to explore form and modeling tools to create finishing features. Test fit and motion; create assemblies, photorealistic renderings, and animations. Bring design teams together in a hybrid environment that harnesses the power of the cloud when necessary and uses local resources when it makes sense.
Open source 3D graphics and animation software. Official Blender downloads, galleries, conferences, tutorials, and links.
Onshape is the first and only full-cloud 3D CAD system that lets everyone on a design team simultaneously work together using a web browser, phone or tablet.
3DTin is a pioneer in browser based 3D Modeling. The simple user interface of 3DTin has made it very accessible to 3D modeling beginners. This has helped many young students and enthusiasts who want to create 3D models for 3D printing. 3DTin is used in many schools for this purpose.
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Latest news about Online CAD Software

2015. Cloud-based CAD service Onshape gets $80 Million

Onshape, that offers the first full-cloud professional 3D CAD system capable of running on any computer or mobile device, announced $80 million funding. Onshape is entirely cloud-based, so you can access it anywhere with solid Internet. The mobile tools are powerful—“not a stripped down, funky version” of the product.” All devices working on a CAD project have access to the same data on the same transactional database, so there’s no fear of overwriting other peoples’ work. And changes are saved automatically. The three-year-old Onshape is hellbent on imbuing CAD with the collaborative spirit of apps like Google Docs and Slack. McEleney says the issue with existing tools like AutoCAD and SolidWorks, apart from costing thousands of dollars up-front, is that they’re ill-suited to this sort of teamwork, especially on mobile devices.