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1. Klotho Klotho Public

   Deterministic Unity & Godot framework for rollback, lockstep & server-authoritative multiplayer. Engine-agnostic pure C# core, FP64 fixed-point math, ECS, physics, navigation, and replays — frame-p…

   C# 57 9

2. Atropos Atropos Public

   Dependency-free, Zero-GC pure C# Ed25519 (RFC 8032, plain PureEdDSA) sign/verify primitive for .NET, Unity (IL2CPP/AOT-safe), and Godot. No native libraries, no DLLs, no external dependencies.

   C#

3. MegaData MegaData Public

   xpTURN.MegaData is a library that supports defining and managing various data structures and enables easy utilization of large-scale data in .NET-based projects.

   C# 3

4. ContentLink ContentLink Public

   Scope-owned asset loading for Unity 6.6 content directories. Assets are loaded by name and owned by a GameObject, scene or explicit scope, so a forgotten release cannot leak forever. Includes seria…

   C# 1

5. WeakRef WeakRef Public

   Delegate, event, and `Action` wrappers that treat targets as "dead" when they are collected by the GC (plain C# objects) or destroyed in Unity (`UnityEngine.Object`). Reduces memory leaks and ghost…

   C# 3

6. Polyfill Polyfill Public

   Runtime polyfill for C# 9·10·11 syntax (record, init, required, interpolated strings, etc.) in Unity. Provides BCL types and Editor support for -langversion and .csproj LangVersion auto-configuration.

   C# 2