| LionArray | Lean dynamic Array, Queue and Stack for embedded C++. |
| LionDallas | Compact DS18B20 driver over OneWire for the Lion* stack (ESP8266 / ESP32). |
| LionFastLcd | Change-tracked, buffered character-LCD layer over LiquidCrystal_I2C. |
| LionLogger | Small leveled logger for ESP8266 / ESP32. |
| LionRtosTask | Tiny OOP wrapper over FreeRTOS tasks for ESP32. |
| LionStreams | Tiny Arduino Stream adapters: a String-backed stream and a chunk-flushing web-server stream. |
| LionTask | Tiny cooperative (run-to-completion) task scheduler for ESP8266 and AVR. |
| LionWifi | WiFi connection manager with ArduinoOTA, a web filesystem browser and a status page, for ESP8266 and ESP32. |