Open Source
jMonkeyEngine by the jMonkeyEngine Team is a powerful, open-source 3D game engine built for Java developers. With a focus on real-time performance, extensibility, and a full suite of development tools, jMonkeyEngine empowers programmers to build desktop, VR, and Android games with deep control and rapid iteration.
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Duality by Adam “AdamsLair” Hellriegel is a modular, open-source 2D game engine built on .NET and powered by C#. Designed for developers who want a highly extensible framework with modern architecture, Duality offers a clean workflow for building games, tools, and interactive apps with full source control and plugin-based flexibility.
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Armory3D by Armory Project is a powerful open-source 3D game engine integrated directly into Blender. It enables artists and developers to build stunning real-time games and interactive experiences using a unified workflow—where modeling, animation, logic, and deployment all happen within a single environment. Armory3D bridges the gap between content creation and coding, offering a visual logic system and full scripting support.
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Godot by The Godot Engine Community is a fully open-source, cross-platform game engine designed for 2D and 3D game development. It’s lightweight, flexible, and completely free—with no royalties or licensing fees—making it a favorite among indie developers, hobbyists, and educators worldwide.
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Wicked Engine by Mihail Łaban is a high-performance, open-source 3D engine designed for real-time rendering and simulation. Written in modern C++, it offers advanced graphics capabilities like ray tracing, physically based rendering (PBR), and GPU-driven workflows—all in a lightweight and accessible package. Wicked Engine is ideal for developers who want bleeding-edge visual tech without the bulk of traditional engines.
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MonoGame by the MonoGame Team is an open-source game development framework built on C#. It’s the spiritual successor to Microsoft’s XNA Framework, giving professional developers the tools to build high-performance, cross-platform 2D and 3D games. With MonoGame, you write once and deploy to nearly every major platform—with full control over your game engine.
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WordPress by Automattic is the world’s most popular content management system (CMS), powering over 40% of all websites on the internet. Whether you’re building a personal blog, business site, online store, or full-scale web application, WordPress provides unmatched flexibility, user-friendliness, and a massive plugin ecosystem to make it happen.
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OpenFL by the OpenFL Foundation is an open-source framework that replicates the classic Flash API while extending its capabilities for modern, cross-platform game and app development. Written in Haxe, OpenFL allows developers to create rich 2D experiences using familiar workflows and export them to nearly every platform—without needing the Flash Player.
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Atom by GitHub (a subsidiary of Microsoft) is a free, open-source text and source code editor designed for developers who value flexibility, customization, and community-driven tools. Often dubbed “the hackable text editor for the 21st century,” Atom allows you to tailor every part of your workflow—from layout and themes to packages and integrations.
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Visual Studio Code by Microsoft is a free, open-source code editor that has become the standard for modern software development. Lightweight yet feature-rich, VS Code combines powerful coding tools, debugging capabilities, and an expansive extension marketplace—making it the ultimate all-in-one workspace for developers across languages, stacks, and platforms.
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