A list of the 11 libraries that are licensed with the Unlicense license.

AD9850SPI Arduino SPI library for AD9850
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.
DS3231 Arduino library for the DS3231 real-time clock (RTC)
FDC2214 TI FDC2214 capacitative sensor library
LED Dithering Adjustable LED brightness on every IO pin with software-controlled blinking
MFRC522 Arduino RFID Library for MFRC522 (SPI)
NetEEPROM A library that stores and retrieves network configuration from EEPROM.
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.
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.