| XeWeNvs | Typed key-value storage on ESP32 NVS, including whole structs persisted via FlexData. |
| XeWeSerial | Non-blocking serial console for ESP32 with formatted output, boxed headers, tables, and typed input prompts. |
| XeWeUtils | Header-only helpers for ESP32: string formatting, input validation, async timers, FreeRTOS mutex guard, color conversion. |