zpl-c/librg

Health v2 · maintenance only

Adoption not part of the score

1496 stars · 44 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

librg is a single-header, cross-platform world replication library written in pure C99 for multiplayer game development. It acts as middleware between data-transferring libraries (like enet) and game logic, handling entity tracking, ownership, area-of-interest management, and world replication.

Use cases

• sync game entities between multiplayer clients and servers
• implement area-of-interest management to reduce bandwidth
• build a dedicated game server with entity replication
• track which player owns which networked entity
• replicate a limited view of the game world to each participant
• add multiplayer netcode to a C or C++ game

When to choose

• you need lightweight, header-only world replication in C/C++
• you want to reduce bandwidth with visibility- and radius-based entity syncing
• you want a transport-agnostic middleware layer over your own networking library
• you are building multiplayer games or dedicated servers in C99

When to avoid

• you need a full high-level multiplayer framework with built-in transport, matchmaking, and serialization
• your project is not in C/C++
• you need web-based or managed-cloud multiplayer services
• you want ready-made client prediction or lag compensation out of the box

Facets

library · maturity active

networking concurrency sdk networking gaming-tools cross-platform cross-platform cpp c header-only multiplayer replication area-of-interest netcode world-sync c99 single-header game-development

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