M.U.G.E.N

Freeware 2D fighting game engine developed as a free to play game

Download M.U.G.E.N 1.1-beta-1 free

Unity

An intuitive and easy creation tool used for video games

Download Unity 4.3.4 free

Crystal Space

Development platform that creates 3D graphics through a nice interface

Download Crystal Space 1.4.1 free

Glue Engine

With Glue Engine you can create games very quick. No programming skills needed

Download Glue Engine 1.6 free

GameStudio / A6

Easily develop 2D/3D applications

Download GameStudio / A6 6.31 free

OGRE SDK for Visual C++ .Net 2002 (7.0)

Excellent 3D engine

Download OGRE SDK for Visual C++ .Net 2002 (7.0) 1.0.4 free

Nevron Vision for .NET

Professional Chart and Diagram suite for .NET applications

Download Nevron Vision for .NET 2016.1 free

TW Indie Game Engine

Use TemporalWars Indie Game Engine to create indie games for Xbox and PC platforms

Download TW Indie Game Engine 1 free

AppFace UI Development Kits

Make your apps skinable with a few lines of code

Download AppFace UI Development Kits 2.1 free