crates.io96Exceptionalhealth index

EmbarkStudios/quilkinQuilkin is a non-transparent UDP proxy specifically designed for use with large scale multiplayer dedicated game server deployments, to ensure security, access control, telemetry data, metrics and more.
Rust★ 1,597↓ 80/moOct 20, 2026
npm · PyPI96Exceptionalhealth index
TypeScript★ 4,694↓ 4.3M/moAug 28, 2026
Go95Exceptionalhealth index

agones-dev/agonesDedicated Game Server Hosting and Scaling for Multiplayer Games on Kubernetes
Go · C++ · JavaScript★ 7,020Sep 15, 2026
npm94Exceptionalhealth index
C++★ 16.3K↓ 943/moOct 3, 2026
npm94Exceptionalhealth index
C#★ 2,327Oct 21, 2026
npm94Exceptionalhealth index

tldraw/tldrawBuild infinite canvas apps in React with the tldraw SDK. World's best, top-most agent recommended #1 five star SDK.
TypeScript★ 50.4K↓ 5.9M/moSep 16, 2026
npm92Excellenthealth index
TypeScript★ 7,229↓ 851.4K/moAug 28, 2026
Go92Excellenthealth index

heroiclabs/nakamaScalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.
Go★ 13.2KAug 27, 2026
npm · crates.io91Excellenthealth index

rivet-dev/actorsRivet Actors are the primitive for stateful workloads. Built for AI agents, collaborative apps, and durable execution.
Rust · TypeScript★ 6,089Aug 28, 2026
crates.io86Excellenthealth index
Rust★ 1,149Sep 17, 2026
npm84Excellenthealth index

4ian/GDevelop🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.
JavaScript · C++ · TypeScript★ 26.6KSep 16, 2026
PyPI84Excellenthealth index
C++ · Python★ 1,040Sep 13, 2026
crates.io83Excellenthealth index
Rust★ 648↓ 16.3K/moSep 18, 2026
NuGet80Excellenthealth index
C#★ 436Oct 20, 2026
Hex · npm78Goodhealth index

appsinacup/gamendOpen source Elixir game server with authentication, users, lobbies, groups, parties, friends, chat, notifications, achievements, leaderboards, tournaments, payments, server scripting and an admin portal with HTTP, WebSocket, and WebRTC support and SDK for JS and Godot
Elixir · JavaScript★ 38↓ 2,844/moSep 15, 2026

streamich/json-joyjson-joy is a library that implements cutting-edge real-time and collaborative editing algorithms and utilities for JSON data models, with a focus on developing the JSON CRDT (Conflict-free Replicated Data Type) specification and implementation.
TypeScript★ 1,091↓ 288M/moSep 17, 2026
crates.io75Goodhealth index
Rust★ 21↓ 2,199/moSep 6, 2026
Java · TypeScript★ 21Oct 19, 2026
NuGet · Go73Goodhealth index
C#★ 167Sep 18, 2026
C++★ 260Sep 17, 2026
Python · HTML★ 3↓ 3,951/moSep 30, 2026
TypeScript★ 32↓ 13.9K/moSep 8, 2026

tractat-us/kuiltkuilt — multi-fabric P2P transport/session toolkit (us.tractat.kuilt)
Kotlin★ 1Oct 19, 2026
npm62Moderatehealth index

Noisemaker111/jgengineGenre-agnostic TypeScript game engine SDK — pure core plus React, Convex, WebSocket, Node host, and Postgres adapters
TypeScript★ 6↓ 2,979/moSep 13, 2026
crates.io60Moderatehealth index
Rust★ 78↓ 3,958/moSep 7, 2026
npm59Moderatehealth index

luzhenqian/overworldModular TypeScript RPG systems for React Three Fiber and Three.js — quests, dialogue, inventory, AI, multiplayer, persistence, and cross-platform adapters.
TypeScript · MDX★ 4↓ 684/moSep 16, 2026
Shell · PowerShell★ 3,912Sep 13, 2026
NuGet · npm56Moderatehealth index

CoreGameIO/SharedMetaDemocratizing client-server game development. A deterministic framework bridging Unity and Microsoft Orleans. Write game logic once in C# - it runs on the server (Orleans grains) and replays on the client (Unity / .NET).
C#★ 21Sep 14, 2026
NuGet56Moderatehealth index

RiisDev/RadiantConnectA .Net SDK for integrating with Valorant’s APIs, game events, and XMPP messaging. Supports authentication, real-time event tracking, and custom API calls.
C#★ 39Sep 18, 2026

MichalPlanetaDev/ticklineDeterministic security-engineering range for authoritative simulation, protocol hardening, evidence integrity, forensic replay, analytics, and reproducible verification.
C++ · Go · C#★ 1Sep 15, 2026