‏إظهار الرسائل ذات التسميات up. إظهار كافة الرسائل
‏إظهار الرسائل ذات التسميات up. إظهار كافة الرسائل

download FlightGear - Flight Simulator






Description

Founded in 1997, FlightGear is developed by a worldwide group of volunteers, brought together by a shared ambition to create the most realistic flight simulator possible that is free to use, modify and distribute. FlightGear is used all over the world by desktop flight simulator enthusiasts, for research in universities and for interactive exhibits in museums.

FlightGear features more than 400 aircraft, a worldwide scenery database, a multi-player environment, detailed sky modelling, a flexible and open aircraft modelling system, varied networking options, multiple display support, a powerful scripting language and an open architecture. Best of all, being open-source, the simulator is owned by the community and everyone is encouraged to contribute.



or




download Quite Universal Circuit Simulator




Quite Universal Circuit Simulator alpha A circuit simulator with graphical user interface (GUI)



Description


Qucs is a circuit simulator with graphical user interface. The software aims to support all kinds of circuit simulation types, e.g. DC, AC, S-parameter, Transient, Noise and Harmonic Balance analysis. Pure digital simulations are also supported.



Download Celestia Real-time 3D visualization of space





Description

Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.


Download Logisim - for designing and simulating digital logic circuits




Description

An educational tool for designing and simulating digital logic circuits, featuring a simple-to-learn interface, hierarchical circuits, wire bundles, and a large component library. As a Java application, it can run on many platforms.

Download Sweet Home 3D designer








Sweet Home 3D 

An interior design application to draw house plans & arrange furniture



Download Siemese SIMATIC Step7 for free






رابط تحميل البرنامج
download Siemese SIMATIC Step7

من    هنا    from


أو من    هنا  or from 



الفيديو في الأسفل يوضح طريقة  تثبيت البرنامج 
How to  instal siemens step7






الفيديو الثاني يوضح طريقة التفعيل

Activation license