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21 Février 2021
Dia Diagram Editor is free Open Source drawing software for Windows, Mac OS X and Linux. Dia supports more than 30 different diagram types like flowcharts, network diagrams, database models. More than a thousand readymade objects help to draw professional diagrams. Dia can read and write a number of different raster and vector image formats. Free CAD is an open source program for Windows, Mac and Linux that directly addresses.
QCAD is a free, open source application for computer aided drafting (CAD) in two dimensions (2D). With QCAD you can create technical drawings such as plans for buildings, interiors, mechanical parts or schematics and diagrams. Sketch motion graphics. QCAD works on Windows, macOS and Linux. The source code of QCAD is released under the GPL version 3 (GPLv3), a popular Open Source license.
The current version of QCAD is 3.25.
QCAD was designed with modularity, extensibility and portability in mind. But what people notice most often about QCAD is its intuitive user interface. QCAD is an easy to use but powerful 2D CAD system for everyone. You don't need any CAD experience to get started with QCAD immediately. You can download QCAD today for free!
Click here for a complete list of features.
The communication between Engineer's mind and the actual manufacturer is Technical drawings. To accomplish such an important task, technical drawing software are equipped with a lot of features. Technical drawing software is a must have tool for any enterprise, it helps to reduce a lot of time for getting technical drawings. Here is a list of few of best-picked software fully equipped with features to simplify your work and save some time.
Available in both, free and paid version. SmartDraw offers enough features to impress you. Few of the important features include creating professional looking charts and graphs using the predefined formats, predefined templates, the best feature being the ability to import files directly from Visio. SmartDraw will give you the option of cloud backup with known advantages.

Ironcad is a 3D technical design software. It offers intelishape, a tool having predefined shapes to make things quick with adjustable sizes to get the size of objects required. You will get a drag and drop design, to further fasten your working speed. Though Ironcad is not available for you to use for free, you can get a free trial version and then decide on spending few bucks on it.
It's the open source software available for all the currently dominating operating systems, Windows, Mac, and Linux. Though being an open source software it is the main feature of other software, this software will also give you features as 4800 standard parts ready to be used, over 35 CAD fonts, objects snapping. The list of features is ever increasing, being an open source software.
LibreCAD is open source software, also available for all the major platforms as Windows, Mac, and Linux. Libre has a large group of developers and users, giving you a rapidly growing software and its user base. You can also contribute to the development, being an open source software. Almost all the features, which you will expect in a design software are available with this software for free.
This FreeCAD software is the one specifically designed for windows users. This software features 3D operations, freeCAD objects, and provision for importing or exporting geometries. A predefined robot simulation module is also available for ready use for robot linkage designs. The special feature of this software is that you can create new object types very easily, using Python programming.
KiCad EDA is an open source electronic design automation suite. This software is specifically designed for drawing of electronic components such as circuit board design. You will get PCB design up to 32 copper layers with this software. The software offers 3D views, making it easier for you to inspect objects which are difficult to see in the 2D view.
NanoCad is multi-purpose free drafting software. It offers you a native .dwg compatibility. NanoCad can perform all the features you get from other software of same class, with free of cost. Also, you can have NanoCad plus version which is a paid, extra topped version of the software. It will offer you a very familiar user interface as that of AutoCAD. This software also features predefined, reusable blocks to speed up your work. You can also see Isometric Drawing Software
CAD software is the need of the hour for any enterprise to avoid the flaws in drawings(manual) that may show up during manufacturing. So getting a good CAD software can help you and your organization save a lot of time and put less stress on the designer. Although AutoCad has enjoyed a monopoly in the technical drawing software sector, things have changed very rapidly due to open source offerings of some other software. For an enterprise of high workload, a paid, full featured software is must have a deal. You can also see Schematic Drawing Software
There are a couple of software, offering open source development, can be opted if you are interested in contributing to the community. If you are an enterprise and want very efficient, fully featured software, then you should spend a few bucks to get the best software. There are platform specific software, which can be preferred if you are willing to work in a single environment. The best choice, however, remains a personal preference.
