PLIB is a set of multi-platform and open source libraries for the development of games. It is written by Steve Baker in 1997. PLIB is written in C++. It supports Windows, Linux, UNIX and MacOS. PLIB is licensed under Library GNU Public License (LGPL 2.0). The latest and the stable version of PLIB is v.1.8.5 that was released in October, 2006.
Marmalade SDK (Software Development Kit) is a cross-platform, 2D and 3D game engine developed by Marmalade Technologies Limited. It is written in C++ and modules of Lua, HTML5 and Objective C. Depending on the type of licenses purchased, Marmalade SDK supports developments of games for the platform of Android, Blackberry 10, iOS, Tizen, LG Smart TV, Mac OS, Microsoft Windows, Roku 3, Windows Phones and Nintendo Switch. It was launched in late 2009 and its first stable version was released on September 2016. It is a proprietary licensed game engine.
OpenClonk is a multi-platform, open source game engine, developed by OpenClonk Developers in 2010. OpenClonk is not just a flexible 2D scene game engine but it is also a game. OpenClonk engine is licensed under ISC License and the game content is licensed under the CC BY-SA, CC BY and CCO. OpenClonk is written in C++. It developed games for multiple operating systems which are Windows, Linux and OS X.
Real Virtuality is one of the leading game engines developed in C++. One of the most interesting facts about the Real Virtuality gaming engine is licensed for use in the software for military training such as VBS1, VBS2 as well as VBS3 by Bohemia.
Panda3D is an open source, multi-platform, 3D rendering engine for developing games and VR (Virtual Reality). It was developed by Disney Interactive in 2002. It is written in C++ and Python. This engine targets the platforms of Windows, Linux, MacOS and Silicon Graphics workstations running Irix. The most stable version of this engine is released in 19 March, 2020. Panda3D is a free licensed engine under BSD license.
ORX is a cross platform, open source, portable, 2D oriented game engine developed by ORX Projects. This game engine is written in C/C++. It runs on Windows, Mac OS X, Linux, Android and IOS. Most stable version of ORX is released In May 10, 2020. ORX is published under a free software license called ZLIB license.
Pyrogenesis is an open-source, multi-platform 3D engine for Real-Time Strategy games. It was developed by WildFire Games in 2001. It is written in C++ and JavaScript. Pyrogenesis supports Windows, OS X and Linux. It is licensed under GPL (General Public License).
Spring is a free and multipurpose 3D Real-time Strategy (RTS) game engine. For scripting game specific code, it has extensively used “Lua” in order to make almost each aspect of the engine customizable, from AI unit to GUI, to path finding. Some part of the engine are also developed in C++. It is a cross-platform engine, which provides support for Windows, Linux and OS X. Spring is an open source software.
StepMania is an open-source game development engine written in C++, Assembly and Lua. It is not only a game development engine but also a cross-platform rhythm video game. StepMania was initially created as an emulator for Dance Dance Revolution, a game series of Konami arcade and has progressed since into an extendable rhythmic game development engine that has enough capability to support a number of rhythmic game options.
Stockfish is an open source game engine and one of the best CPU chess engines in the world. It is free and Universal Chess Interface (UCI) compliant, distributed under under the GNU General Public License version 3 (GPL v3). It is a fork of Glaurung engine, which is an open-source engine, developed by Tord Romstad and released in fall 2004. Glaurung was written in C and later versions were completely written in C++. The authors of this game engine are Tord Romstad, Marco Costalba, Joona Kiiski and Gary Linscott.
Stratagus is a free and open-source gaming engine that’s used to build real-time video games. It’s a cross-platform Gaming Engine licensed under the GNU GPL-2.0 only. It’s written mostly in C++ and the configuration language for Stratagus is Lua. It included support for playing over the internet/LAN or computer as an enemy. The engine was made configurable and can be used to create games with a very wide range of special features that users need.
The Tombstone is the successor to the C4 Game Engine. The Tombstone Game Engine is a commercial-based gaming engine that is not only capable of targeting newer machines like PlayStation 5’s and Xbox one but also can target major and more advanced desktop platforms like AMD Ryzen series and core i9 series.
