About Refraction
From ModrinthRefraction is an API for general use purposes.
Refraction Library was made for commonly used code between multiple projects & includes many useful methods to make adding features such as cutscenes easier to implement and to make the overall development process easier.
Refraction was made by ZeusIGN & ConnorTron110.

All big things that Refraction offers:
- ReConfig—Config system with auto syncing support
- Atda—Persistent data storage system
- Syncables—Server → Client class syncing capability
- Channels—Custom data channels between server and client w/ headers
- NamedAPI—Extension of Channels for named API channel schemes
- Runnabler—Handler for delayed and ticking runnables on client / server
- RefractionEvents—Event system with multiloader support
- VoxelUtils—Voxel generation utilities
- Particler—Particle wrapper with render and tick manipulation
- RAABB—Allows for non-axis aligned boxes with collision
- Cutscenes—Customizable cutscenes through code (future command support)
- Custom debuggers—Similar to Minecraft's system of debugging, Refraction has custom debug support
- Interactions—NPC Interaction handler
- Quests—Quest handler system, doesn't offer quest stacking by default (future change)
- Server Screens—Full server side control of screens without extra packets including closing, opening and sharing data between client ↔ server
- Registrable tracking sounds—Ticking sounds that can be registered on the client and called from the server
- Flood Filler—Highly customizable flood filler
- Camera shake—Provides a camera shake interface
- SyncConfig—Automatic syncing for player joins
- Vec3Helper—A lot of vec3 util
And a lot more, just take a look for yourself, mainly in @helper and @feature dirs :D
Highlights
From source dataGame versions
Supports 2 Minecraft versions, the newest being 1.21.1.
Loaders
Runs on Forge and NeoForge.
Footprint
Rated a light load on a server.
What kind of mod it is
From the catalogLibraries & compatibility
Foundations and fixes other mods build on. Usually installed because something else needs it.
Runs on your server
From source side supportModrinth lists Refraction as required on the server. Check its Modrinth page to see whether players need it too.
Compatibility
- Game
- Minecraft
- Loaders
- ForgeNeoForge
- Runs on
- Serverrequired on the server
- Game versions
- 1.21.1 and 1 earlier
Verified at the source
- ✓ModrinthOfficial listing, checked 2026-10-01Open ↗
- ✓AuthorZeus, as published on Modrinth
- ✓LicenseGPL-3.0-or-laterFree










