NttCAD!

LibreCAD (originally QCad then CADuntu) 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.

DraftSight is a professional-grade, open 2D CAD product for users who want a better way to read, write and share DWG files. DraftSight is easy to use and is available for professional CAD users, students and educators to download and activate for free.*

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:1. Classic CAD interface. Any engineer could easily master nanoCAD since everything is in their right places: menu, button icons, panels, command line, and the commands theirselves are easily recognizable. This makes nanoCAD easy to migrate to since enterprise needs no time to retrain its engineers.2. Native *.dwg support. The world’s most popular file format for technical documentation - *.dwg – is the nanoCAD native file format. Project created using nanoCAD and saved as *.dwg file could be easily opened and edited in any CAD application supporting *.dwg which in turn makes nanoCAD perfect tool for project collaboration and sharing.3. Ultimate design tool. nanoCAD includes all necessary tools required for basic design and allows creating and editing 2D and 3D vector primitives, texts, tables, blocks, graphical technical documentation display and print settings using either a model or a sheet. »

A powerful CAD platform, with features familiar to you from native .dwg applications. BricsCAD® unifies advanced 2D design with the intelligence of 3D direct modeling. For Windows, Linux, and Mac.

Draft It V4 is a powerful, easy to use 2D CAD Software package that is completely free to use. No restrictions means you're free to create, save and print your work with our unlimited free version. During the initial 15 days after installation you can trial three other versions.

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.

CAD 2D/3D by STS

2D CAD system with user friendly graphical interface.Support drag & drop and clipboardContextual menu and dynamic dimensioningAdvanced mask symbols and layers.Includes basic libraries of symbols for architectural design, mechanical, home office furniture, electrical, electronic, systems, territory.Snapping to substantial points of graphic entities.Contextual online help system.Print Manager: all formats handled by the operating system.Input/output with other CAD systems by means of the DXF format (up to version 12).Reading BMP, GIF, PCX, TIF, TGA, XBM, IAX, IMG.Integrated scientific calculator with formula interpreter.C\C ++ language programming (Windows)-REXX (OS/2). »

The product fully complies to current market standards as regards office automation software and design. The user interface, compatible with Office 2000 ® is a simple and friendly work environment that allows you to be up and running quickly. Compatibility with AutoCAD ® DWG format is complete: BlueCAD supports read and write the DWG format from version 2.5 the latest version 2007 (2000 in writing).

Three versions of devCad are available: devCad LE | devCad Pro | devCad Cam Pro.

Microstation DGN alternative - opens a V8 file, V7, a raster CIT file and a hybrid raster file of the moon. Runs completely standalone, does not use or require Microstation or OpenDesign to be installed on the client machine. PDL programming language (based on QBasic) easy to create powerful macros.

Simple to use cad software.

2D Computer Assisted Drawing program, Powerful, easy to use, professionaland also fast, flexible, intuitive, precise. Available in English, German and French forWindows, Mac OS X and Linux.

Ideal for garden design, mechanical engineering drawings, electrical / electronic, building and room plans, and general diagramming. Output in PDF format for the web. Copy and paste graphics. Create standard symbols to re-use. Scale, mirror and rotate. Accurate scale drawing printing. Drafting tools to compare with pro packages.

Computer-aided design needs for many users and can used as alternative to AutoCAD. With A9CAD you can draw shapes such as line, rectangle, circle, poly-line, text and dimension; performing drawing modifications like move, scale, rotate, explode, trim, fillet and mirror; edit color, fill mode, line type and line width; change entity attributes via properties window. Manage drawing styles and settings and configure drawing environments.