You can find both basic and advanced inventory HUDs that are open-source and customizable.
| Metric | Top HUD (Optimized) | Poor HUD (Bloated) | | :--- | :--- | :--- | | | 0-2 FPS | 10-15 FPS | | Event Calls/sec | 2-4 | 60+ (flooding network) | | Memory Usage | ~8 MB | ~45 MB | | UI Freezes | Never | Occasional | vrp hud fivem top