Alternatives and similar repositories for MightyCore:

Users that are interested in MightyCore are comparing it to the libraries listed below

• MCUdude / MiniCore
  Arduino hardware package for ATmega8, ATmega48, ATmega88, ATmega168, ATmega328 and ATmega328PB
  ☆1,048Updated last week
• MCUdude / MegaCore
  Arduino hardware package for ATmega64, ATmega128, ATmega165, ATmega169, ATmega325, ATmega329, ATmega640, ATmega645, ATmega649, ATmega1280…
  ☆405Updated 5 months ago
• MCUdude / MicroCore
  A light-weight Arduino hardware package for ATtiny13
  ☆574Updated this week
• Optiboot / optiboot
  Small and Fast Bootloader for Arduino and other Atmel AVR chips
  ☆1,123Updated last year
• MCUdude / MegaCoreX
  An Arduino hardware package for ATmega4809, ATmega4808, ATmega3209, ATmega3208, ATmega1609, ATmega1608, ATmega809 and ATmega808
  ☆256Updated 3 months ago
• SpenceKonde / megaTinyCore
  Arduino core for the tinyAVR 0/1/2-series - Ones's digit 2,4,5,7 (pincount, 8,14,20,24), tens digit 0, 1, or 2 (featureset), preceded by …
  ☆592Updated this week
• Marzogh / SPIMemory
  Arduino library for Flash Memory Chips (SPI based only). Formerly SPIFlash
  ☆464Updated last year
• nickgammon / arduino_sketches
  Publicly-released sketches for the Arduino microprocessor
  ☆663Updated 3 years ago
• greiman / SSD1306Ascii
  Text only Arduino Library for SSD1306 OLED displays
  ☆528Updated 2 years ago
• SpenceKonde / ATTinyCore
  Arduino core for ATtiny 1634, 828, x313, x4, x41, x5, x61, x7 and x8
  ☆1,681Updated 6 months ago
• JChristensen / JC_Button
  Arduino library to debounce button switches, detect presses, releases, and long presses
  ☆438Updated 6 months ago
• thomasfredericks / Bounce2
  Debouncing library for Arduino and Wiring
  ☆632Updated last year
• damellis / attiny
  ATtiny microcontroller support for the Arduino IDE
  ☆727Updated 3 years ago
• felias-fogg / SoftI2CMaster
  Software I2C Arduino library
  ☆382Updated 10 months ago
• duinoWitchery / hd44780
  Extensible hd44780 LCD library
  ☆253Updated 2 years ago
• neu-rah / ArduinoMenu
  Arduino generic menu/interactivity system
  ☆984Updated 6 months ago
• jdunmire / kicad-ESP8266
  Schematic symbols and PCB footprints for ESP8266 modules
  ☆472Updated 3 years ago
• ZakKemble / AVRDUDESS
  A GUI for AVRDUDE
  ☆650Updated last month
• olikraus / ucglib
  Arduino True Color Library for TFTs and OLEDs
  ☆274Updated 4 years ago
• ElTangas / jtag2updi
  UPDI programmer software for Arduino (targets Tiny AVR-0/1/2, Mega AVR-0 and AVR-DA/DB MCUs)
  ☆346Updated last year
• prenticedavid / MCUFRIEND_kbv
  MCUFRIEND_kbv Library for Uno 2.4, 2.8, 3.5, 3.6, 3.95 inch mcufriend Shields
  ☆368Updated last year
• greiman / SdFat
  Arduino FAT16/FAT32 exFAT Library
  ☆1,130Updated last month
• tenbaht / sduino
  An Arduino-like programming API for the STM8
  ☆362Updated 2 years ago
• PaulStoffregen / TimerOne
  TimerOne Library with optimization and expanded hardware support
  ☆481Updated 8 months ago
• lpodkalicki / blog
  A set of various projects based on ESP8266, ESP32, ATtiny13, ATtiny85, ATtiny2313, ATmega8, ATmega328, ATmega32, STM32 and more.
  ☆329Updated last year
• gillham / logic_analyzer
  Implementation of a SUMP compatible logic analyzer for the Arduino
  ☆477Updated last year
• Jomelo / LCDMenuLib2
  Create a tree menu. Use it with different lcd types / console output / ssh console.
  ☆256Updated 2 weeks ago
• datacute / Tiny4kOLED
  Library for an ATTiny85 to use an SSD1306 powered, double buffered, 128x32 pixel OLED, over I2C
  ☆282Updated last year
• olikraus / u8glib
  Arduino Monochrom Graphics Library for LCDs and OLEDs
  ☆1,279Updated 3 years ago
• dparson55 / NRFLite
  nRF24L01+ library with AVR 2 pin support, requiring very little code along with YouTube videos showing all available features.
  ☆163Updated last week