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Source SDK Alternatives

Source SDK is described as 'The Source SDK is a software development kit compiled by Valve Software that is used to create maps or mods for the Source engine, with the exception of Left 4 Dead, Left 4 Dead 2, and Alien Swarm' and is a game development tool in the development category. There are more than 10 alternatives to Source SDK for a variety of platforms, including Windows, Linux, Mac, iPhone and iPad. The best alternative is Unreal Engine, which is both free and Open Source. Other great apps like Source SDK are Stride Game Engine, Urho3D, Open 3D Engine and Maratis.

Source SDK alternatives are mainly Game Development Tools but may also be Map Services. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Source SDK.
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Source SDK iconSource SDK
  11
  • Mac
  • Windows

The Source SDK is a software development kit compiled by Valve Software that is used to create maps or mods for the Source...

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  1. Unreal Engine is a professional suite of tools and technologies used for building high-quality games across a range of platforms. Unreal Engine’s rendering architecture enables developers to achieve stunning visuals and also scale elegantly to lower-end systems.

    ⚫︎ Support for scriptingUnreal Engine supports scripts and macros to automate or customize tasks.
    ⚫︎ Node BasedUnreal Engine supports node editing, a form of visual programming that gives you full control over the rendering.
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    A screenshot of the new Unreal Engine 5. Source: https://www.unrealengine.com/en-US/blog/unreal-engine-5-is-now-available-in-early-access
  2. Stride Game Engine icon

    Stride Game Engine

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    • Free • Open Source
    • Windows
    • Android
    • iPad
    • iPhone

    Stride (formerly Xenko) is an open-source C# game engine designed for the future of gaming. It comes with a full toolchain and is especially well suited to create realistic games but allows you much more!.

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    Overview
  4. Urho3D icon

    Urho3D

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    • Free • Open Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Raspberry Pi

    Urho3D is a lightweight, cross-platform rendering and game engine implemented in C++ and released under the MIT license. Greatly inspired by OGRE and Horde3D.

    ⚫︎ LightweightUrho3D consumes less device resources compared to similar apps.
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    Screenshot
  5. Open 3D Engine icon

    Open 3D Engine

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    • Free • Open Source
    • Windows
    • Linux

    Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.

    ⚫︎ MultiplayerOpen 3D Engine offers a game mode for more than one player.
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    Screenshot
  6. Maratis icon

    Maratis

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    • Free • Open Source
    • Mac
    • Windows
    • Linux
    • iPhone
    • iPad

    Maratis is a portable, simple and visual game development tool designed for artists and developers.

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    Screenshot
  8. Valkyrie Engine icon

    Valkyrie Engine

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    • Freemium • Proprietary
    • Mac
    • Windows
    • iPhone
    • Software as a Service (SaaS)

      Valkyrie is a no-code creative platform that lets designers combine digital assets and create applications and interactive prototypes: where the power of Unity meets the usability of Photoshop.

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      Screenshot
    • SmartShape icon

      SmartShape

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      • Free • Open Source
      • Mac
      • Windows
      • Linux
      • Online

      Your project’s smart 3D digital twin as a Service. SmartShape (formerly Minko) is a technology to develop and design rich, interactive and universal 3D applications targeting computers, web browsers and mobile platforms.

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      Screenshot
    • Game Guru icon

      Game Guru

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      • Windows

      Welcome to GameGuru, the easy game maker. Our mission is to create the easiest and most enjoyable game creator. Join us and our great & enthusiastic community on this journey.

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      Screenshot
    • UnrealEd icon

      UnrealEd

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      • Windows

      UnrealEd (UEd for short) is the level editor used to create levels for Unreal engine games (eg UT2004 or Killing Floor). Built-in scripting language called UnrealScript allows for editors to customizing game content.

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      UnrealEd 3.0 viewing the Unreal Tournament 2004 map "Face 3"
    • Cafu Engine icon

      Cafu Engine

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      • Free • Proprietary
      • Windows
      • Linux
      • Lua

      The Cafu Engine is an all-purpose, modern 3D graphics engine and game development kit, feature complete to get you started quickly.

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      Screenshot
    Showing 10 of 10 alternatives