A list of the 55 libraries in the category Timing.

Adafruit Si5351 Library Driver for Adafruit's Si5351 Clockgen Breakout
Arduino Process Scheduler An OOP multitasking library
ArduinoSensors A Library of Libraries of Sensors
ArduinoThread A simple way to run Threads on Arduino
ArduinoThreadRunOnce Run an ArduinoThread just one time
AsyncDelay Simple abstraction library implementing delays and timeouts.
AudioFrequencyMeter Get the fundamental pitch of an audio signal
AVR Standard C Time Library Time functions for AVR (Goldilocks, Uno, Leonardo, Mega).
Chrono Chronometer/stopwatch library that counts the time passed since started.
CMMC Easy CMMC Easy is a library for managing time without delay function
DCF77 Read and decode the atomic time broadcasted by the DCF77 radiostation.
dcf77_xtal DCF77 decoder with excellent noise tolerance.
DS1307 Emulator An emulator of the DS1307, which transform the Arduino in an RTC chip without actually having a physical RTC.
DS1307RTC Use a DS1307 Real Time Clock chip with the Time library
DueTimer Timer Library fully implemented for Arduino DUE
elapsedMillis Makes coding responsive sketches easier.
everytime A easy to use library for periodic code execution.
FaBo 215 RTC PCF2129 A library for FaBo RTC I2C Brick
FifteenStep A general purpose Arduino MIDI sequencer library.
FreeRTOS Real Time Operating System implemented for AVR (Uno, Leonardo, Mega).
FrequencyTimer2 Generate a frequency using Timer2
jm_Scheduler A Scheduler Library for Arduino.
leOS Simple scheduler that run little tasks within IRSs
leOS2 Simple scheduler based on watchdog that runs little tasks within IRS
looper Proto-scheduler based on the use of millis()
MicroNMEA Compact Arduino library to parse NMEA sentences.
MillisTimer A timer library for working with millis().
MsTimer2 Run an interrupt function using Timer2
NTPClient An NTPClient to connect to a time server
NtpClientLib Ntp Client Library
PagonGameDev GameLoop "Library for Creating Game with GameLoop"
RBD_Timer Manage many timed events.
RTClib A fork of Jeelab's fantastic RTC library
RTCtime A "Standard C Runtime" compatible library for interfacing the DS1307 and DS3231 Real Time Clock modules.
RTCx Library to access DS1307, DS1337, DS1338 and MCP7941x real-time clocks.
RTCDue Use for the RTC inside the SAM3X8E from the Arduino DUE
RTCTimer An Arduino library to easily perform scheduled tasks.
RTCZero Allows to use the RTC functionalities. For Arduino Zero, MKRZero and MKR1000 only.
secTimer Simple seconds counter
SeqTimer Small piece of sequential Timer class (does not modify hw timers)
simpleDSTadjust Automatic Daylight Saving Time adjust functionality for Arduino/ESP8266
SimplyAtomic A library for creating portable atomic blocks within your program
SoftTimer SoftTimer is a lightweight pseudo multitasking solution for Arduino.
Task by Makuna A library that makes creating complex mulitple task projects easy.
TaskScheduler A light-weight cooperative multitasking library for arduino and esp8266 microcontrollers.
Tasker Get rid of delay() calls, schedule tasks instead.
Time Timekeeping functionality for Arduino
TimeAlarms Perform tasks at specific times or after specific intervals.
TimerFa Software Timer
TimerOne Use hardware Timer1 for finer PWM control and/or running an periodic interrupt function
TimerThree Use hardware Timer3 for finer PWM control and/or running an periodic interrupt function
TinyRTCLib A tiny version of RTCLib, for use with TinyWireM
WatchDog WatchDog Timer Functions
wiring-timer Timer based on Arduino millis() function, supporting OOP principles and interoperating with Arduino yield() and delay() functionality.
Yet Another Arduino Debounce Library An asynchronous Arduino Library for debouncing