
IrrLicht – A Graphics library that is around for nearly 2 decades
The irrLicht is a cross-platform, open-source, 3D graphics engine written in C/C++. It runs on the platform of windows, Solaris, MacOS and Linux. IrrLicht was developed by single developer Nikolaus Gebhardt in 2002. After its first release, the company was expanded up to ten developers. Its four versions have been released till 2007. It is used to develop 3D and 2D applications such as games or scientific visualizations.

How to Learn to Program More Quickly
Learning programming is undeniably challenging. Achieving some level of mastery requires great focus and time. This applies to students pursuing degrees in computer science, veterans who can operate the GI Bill, aspiring self-taught programmers, and coding Bootcamp students. And even as mastering programming craft remains a perpetual struggle, it is something doable.

HPL Game Engine
HPL is a cross-platform, open-source, in-House game engine written in C++. It also uses script language Angel Script that is similar to C/C++ language. It develops games for the platforms of Linux, Microsoft Windows and Mac OS and released by Frictional Games.

Horde3D – Next Generation Graphic Engine
Horde3D is small, open Source and cross platform game engine. This 3D rendering engine is written in C++. It targets the platform of Windows, Linux and Mac OS X. Its C-style exposed API interface allows user to use it from any language possible with less effort. It thus, offers the bindings to C#, Java, Python, Lua, Go and many other languages.

HeroEngine – Cloud Based Development Tool

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HeroEngine is 3D game Engine. It is a platform for all-in-one development to make and operate online games. It is written in C++, C# and HeroScript Language (HSL) and used to develop games for the platform of Microsoft Windows. HeroEngine was developed by Simutronics Corporation for the game Hero’s Journey; however the game was never released.