| AS3935 | Library to support Austrian Microsystems AS3935 lightning sensor. |
| AsyncDelay | Simple abstraction library implementing delays and timeouts. |
| HIH61xx | Library to access Honeywell HIH61xx humidity and temperature sensors. |
| IniFile | Library to read and parse .ini files. |
| MCP342x | Library to support Microchip ADC342x analogue to digital converters. |
| MicroNMEA | Compact Arduino library to parse NMEA sentences. |
| MLX90614 | Library to support Melexis MLX90614 infrared thermometer |
| RTCx | Library to access DS1307, DS1337/8, MCP7941x and PCF85263 real-time clocks. |
| SoftWire | Software I2C library. |