EmulatorJS vs Sapphire Server

A side-by-side comparison of two self-hosted game engines & frameworks options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureEmulatorJSSapphire Server
CategoryGame Engines & FrameworksGame Engines & Frameworks
LicenseGPL-3.0GPL-3.0
LanguageJavaScriptC++
Setup difficultyEasyHard
Min. RAM256 MB2,048 MB
Deploymentdocker, bare-metal, sourcebare-metal, docker
GitHub stars★ 4,074★ 819
First released20202017
ReplacesRetroArch webofficial FFXIV servers

Why pick each one

Choose EmulatorJS if…

  • Pure client-side
  • Easy to embed
EmulatorJS details

Choose Sapphire Server if…

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in C++
Sapphire Server details

Frequently asked questions

Is EmulatorJS or Sapphire Server better?

EmulatorJS is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Sapphire Server if its specific feature set fits your needs better.

Are EmulatorJS and Sapphire Server free and open-source?

Yes. EmulatorJS is licensed under GPL-3.0 and Sapphire Server under GPL-3.0. Both can be self-hosted at no software cost.

Can I run EmulatorJS and Sapphire Server with Docker?

EmulatorJS: yes. Sapphire Server: yes.

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