A list of the 37 libraries that are licensed with the Unlicense license.

AD9850SPI Arduino SPI library for AD9850
ArdTap A library to manage an Arduino board from a mobile in a couple of minutes. No coding, only configuration.
AT24Cxx Library for Atmel's AT24Cxx Series EEPROMs.
BalmIot Library to easily make GET and UP requests to a BALM IOT.
BigCrystal A library that displays double height characters on LCD displays.
Buffered Streams Implementation of Arduino's Stream class which use internal ring buffers to emulate a pair of connected Streams or a Loopback Stream.
Cat GFX Thermal Printer Library Adafruit GFX compatible arduino library for using cat thermal printers with the ESP32
controlKeyboard A library for checking keyboard events like whether a key is pressed or released.
CST816_TouchLib A CST816 touch and gesture library, tested using the LilyGO T-Display ESP32-S3. Includes gestures.
cst816t cst816t capacitive touch screen
CustomJWT A library to make it easy to encode and decode JWT tokens on the Arduino platform.
DirectNECTransmitter Library to send NEC IR pulses without a carrier wave.
DS3231 Arduino library for the DS3231 real-time clock (RTC)
DS3231_RTC Arduino library for the DS3231 real-time clock (RTC)
esp32FOTA A simple library for firmware OTA updates
Fastcore Improvement of Arduino Core Functions.
FDC2214 TI FDC2214 capacitative sensor library
Freenove VK16K33 Lib Arduino library for Freenove VK16K33 Lib.
JOAAT Implementation of the Jenkin's HASH for Arduino.
LED Dithering Adjustable LED brightness on every IO pin with software-controlled blinking
MeanAndVarOnTheFly Calculate mean and variance not storing individual values in memory.
MFRC522 Arduino RFID Library for MFRC522 (SPI)
MFRC522-spi-i2c-uart-async Arduino RFID Library for MFRC522 (SPI, I2C and UART) with asynchroneous callbacks
MFRC522_PN512 Arduino RFID Library for PN512 (SPI)
NetEEPROM A library that stores and retrieves network configuration from EEPROM.
Norman Mathematically simulate natural cycles of daylight, temperature, and humidity for remote locations using minimal data sets.
pocketBME280 Compact library to interface BME280 sensors
RfidDb A library that stores 32 bit identifiers and associated names to EEPROM which can be used to as a basis for RFID access control applications.
RTC Library for I2C based RTCs (DS1307, DS3231, PCF8563, PCF8523).
SPIShiftRegister A simple library for controlling any length of chained 595 style shift registers over the built in SPI bus.
TactileSwitch class for tactile switch
TwiLiquidCrystal by Arnakazim A library to interface an HD44780 based LCD via I2C (or TWI in Arduino terms).
uCDB API for querying Constant DataBase file store.
VNCL4020C-Arduino Library to use Vishay VNCL4020C PPG sensor
Witsanu A library for controlling MAX7219 with Dot Matrix on Arduino Nano Shield
Yet Another Arduino Debounce Library An asynchronous Arduino Library for debouncing
Yet Another Arduino Wiegand Library An Arduino Library to receive data from Wiegand card readers.