A list of the 4 libraries that are licensed with the ISC license.

absmouse Absolute positioning USB HID mouse library.
Embedded Type-C PID PID controller (Type-C) with a flexible API and errors handling.
INFICON Spot Library Library for the INFICON Spot sensor
SpritzCipher Spritz library for Arduino, CSPRNG, cryptographic hash and MAC functions, symmetric-key data encryption, and some general-purpose functions.