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Top Open Source Game Development Platforms Tools in 2026

A curated collection of the 4 best free and open-source Game Development Platforms tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • s&box

    Modern game engine for C# developers

    Stars
    6,417
    Last commit
    10d ago
    License
    Open Source

  • MonoGame

    Open-source framework for cross-platform game development

    Stars
    14,352
    Last commit
    12d ago
    License
    Open Source

  • Godot

    Free and open source game engine

    Stars
    116,217
    Last commit
    11d ago
    License
    MIT

  • GDevelop

    Open-source, no-code game engine

    Stars
    25,983
    Last commit
    10d ago
    License
    Open Source
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Showing 4 of 4 open-source tools