ET
The premium Open Source alternative to Photon Engine
🎯 Best for:Game studios building complex, high-concurrency multiplayer online games.
What is ET?
A dual-end framework designed for developing large-scale multiplayer games using Unity and C#. It features a distributed architecture and an ECS-based design to handle high concurrency and complex game logic.
Tech Stack
C#Game Development
Why ET?
- • Unified C# codebase for client/server
- • High performance ECS architecture
- • Supports hot-reloading
Limitations
- • Steep learning curve
- • Documentation primarily in Chinese
- • Complex initial setup
3/5/2026
Last Update
3,241
Forks
87
Issues
Other
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to ET instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Photon Engine)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%