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 ...

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 ...

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

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

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 ...

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

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 ...

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

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 ...

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

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

An application for deep earth explorers that allows them to map and graph graphically underground cave systems.

ACD ChemSketch addresses those who study chemistry and allows you to draw almost any chemical structure.

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 ...

FREE GPS Software for your Garmin, Magellan or Lowrance GPS EasyGPS is the fast and easy way to upload and download waypoints, routes, and tracks between your Windows ...

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 ...

OpenCPN is a free software (GPLv2) project to create a concise chartplotter and navigation software for use as an underway or planning tool. OpenCPN is developed by a ...

EarthTime displays the local time and date of any place in the world. It has a built-in database of thousands of cities worldwide but users can add any number of custom ...

EarthView is a dynamic desktop wallpaper and screen saver, which displays beautiful views of the earth with daylight and night shadows. It produces colorful, high ...