Everest is an open-source mod loader and modding API for Celeste, allowing you to create custom map packs, texture replacements and code mods to your heart's content.
Steamworks Alternatives
Sites and apps similar to Steamworks include Everest API, which is free and open source. Other options are Steamworks FFI, Unity Multiplayer, Photon Engine and mod.io. In total there are nine Game Development Tools like Steamworks for Windows, Linux, Mac, Android and iPhone.
Alternatives list
A TypeScript/JavaScript wrapper for the Steamworks SDK using Koffi FFI, designed for Node.js and Electron applications with Steamworks SDK integration.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux
- JavaScript
- Typescript
- npm
Unity Multiplayer is the way to create multiplayer games for Unity. Unity-provided servers ensure that your players can find and play with each other.
Cost / License
- Paid
- Proprietary
Platforms
- Online
Global cross platform multiplayer game backend as a service (SaaS, Cloud) for synchronous and asynchronous games and applications. SDKs are available for android, iOS, .NET., Mac OS, Unity 3D, Windows, Unreal Engine, HTML5 and others.
Cost / License
- Freemium
- Proprietary
Platforms
- Windows
- Self-Hosted
P
13 mod.io alternativesmod.io is an open platform for hosting mods created by the team behind ModDB.com and IndieDB.com. It can be integrated in-game using the REST API, C/C++ SDK or engine plugins for Unity, Unreal Engine and GameMaker.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Software as a Service (SaaS)
- Playstation
- Xbox
United Kingdom
+1
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Software as a Service (SaaS)
United States
With the Xbox Live Creators Program, anyone can integrate Xbox Live into their title and publish to Xbox One and Windows 10.
Cost / License
- Paid
- Proprietary
Platforms
- Windows
Reactor is a fully server-authoritative multiplayer system which includes integrated hosting and orchestration as well as the most efficient networking stack available.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)
SmartFoxServer is a comprehensive SDK for rapidly developing multiplayer games and applications with Adobe Flash/Flex/Air, Unity, HTML5, iOS, Windows Phone 8, Android, Java, Windows 8, C++ and more.
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- Windows
- Linux
Ukraine
Canada
