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

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 product design but ...

Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It is being used in ...

Garmin Express makes it easy to update maps and software, transfer favorites to and from devices, and install free custom vehicles and voices. It continually checks for available map ...

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 team of active sailors ...

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, ...

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

Open source cross-platform (Windows/Linux/Mac) Java Visual Traceroute, packet sniffer and Whois. Data is displayed in a 3D or a 2D map component. In computing, traceroute is a computer ...

The Gaia Sky is a real-time, 3D, astronomy visualisation software that runs on Windows, Linux and MacOS. It lives in the framework of ESA's Gaia mission to chart about 1 billion stars of ...

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 available in more ...

TrailRunner is a route planning software for all kinds of long distance sports like running, biking, hiking, inline-skating, skiing and more. If you ever asked yourself how long your ...

HoudahGPS is a simplified front-end to the open source command line tool GPSBabel. HoudahGPS can transfer track logs from a wide variety of GPS devices HoudahGPS can convert track log ...

DoodleCAD is a vector-based illustration and CAD tool that gives Mac OS X users the tools they need to do illustrations, diagrams, and mechanical drawings like a pro - at a very ...

Wings 3D is an advanced subdivision modeler that is both powerful and easy to use. Originally inspired by Nendo and Mirai from Izware, Wings 3D has been developed since 2001, when Bjorn ...