1. NeopixelbusAn Arduino NeoPixel support library supporting a large variety of individually addressable LEDs. Please refer to the Wiki for more details. Please use the gitter channel to ask questions as the GitHub Issues feature is used for bug tracking.
2. RtcArduino Library for RTC, Ds1302, Ds1307, Ds3231, & Ds3234 with deep support. Please refer to the Wiki for more details. Please use the gitter channel to ask questions as the GitHub Issues feature is used for bug tracking.
3. TaskArduino Nonpreemptive multitasking library. Please refer to the Wiki for more details. Please use the gitter channel to ask questions as the GitHub Issues feature is used for bug tracking.