LibreCAD is a fully comprehensive 2D CAD application that you can download and install for free. There is a large base of satisfied LibreCAD users worldwide, and it is ...

This program enables you to draw sky charts, making use of the data in many catalogs of stars and nebulae.

VariCAD is 3D / 2D CAD software primarily intended for mechanical engineering design.

FreeCAD is a general purpose parametric 3D CAD modeler. The development is completely Open Source (LGPL License). FreeCAD is aimed directly at mechanical engineering and ...

Visualize and plan your dream home with a realistic 3D home model. * Create the floor plan of your house, condo or apartment * Custom set colors, textures, ...

QGroundControl provides full flight control and mission planning for any MAVLink enabled drone and configuration for ArduPilot or PX4 Pro powered vehicles. Its primary ...

Welcome to the semi professional free planetarium program HNSKY for MS Windows, intended for amateur astronomers. The program controls your telescope via the ASCOM ...

Veusz is a GUI scientific plotting and graphing package. It is designed to produce publication-ready Postscript or PDF output. SVG, EMF and bitmap export formats are ...

Sweet Home 3D is a free interior design application that helps you draw the plan of your house, arrange furniture on it and visit the results in 3D. Sweet Home 3D is ...

Astroffers is a deep sky object offering application, that shows the currently observable objects by your location. Useful filter options help you to find the most ...

GNU Octave is a high-level language, primarily intended for numerical computations. It provides a convenient command line interface for solving linear and nonlinear ...

XFLR5 includes the xfoil program for foil analysis, and several 3d analysis methods for planes : - a non-linear lifting line method for standalone wings - two ...

With VoiceMacro your computer, application or game can be controlled by voice commands and/or by the press of a keyboard, mouse button or combinations of it, ...

JumboCAD EDA contains 3 packages, Schematic Capture, PCB designer and Library Editor. They are 100% free to use but I reserve the right changing the future release to ...

LTspice is a high performance software, schematic capture, waveform viewer for electronic circuits simulation.

Build and animate 3D CAD models using Lego pieces that you know from many toys.

Pad2Pad's mission is to provide easy, convenient and low-cost fabrication of custom circuit boards via the web. And to supply free easy-yet-powerful design ...