Alternatives and similar repositories for attiny:

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

• SpenceKonde / ATTinyCore
  Arduino core for ATtiny 1634, 828, x313, x4, x41, x5, x61, x7 and x8
  ☆1,659Updated 5 months ago
• Optiboot / optiboot
  Small and Fast Bootloader for Arduino and other Atmel AVR chips
  ☆1,112Updated 11 months ago
• nickgammon / arduino_sketches
  Publicly-released sketches for the Arduino microprocessor
  ☆663Updated 3 years ago
• MCUdude / MicroCore
  A light-weight Arduino hardware package for ATtiny13
  ☆565Updated 4 months ago
• adafruit / Adafruit-MCP23017-Arduino-Library
  Arduino Library for Adafruit MCP23017
  ☆366Updated last year
• rambo / TinyWire
  My modifications to TinyWire Arduino libs
  ☆289Updated 4 years ago
• JChristensen / DS3232RTC
  Arduino Library for Maxim Integrated DS3232 and DS3231 Real-Time Clocks
  ☆409Updated 2 years ago
• PaulStoffregen / AltSoftSerial
  Software emulated serial using hardware timers for improved compatibility
  ☆348Updated 3 months ago
• adafruit / Adafruit_ILI9341
  Library for Adafruit ILI9341 displays
  ☆433Updated 7 months ago
• gillham / logic_analyzer
  Implementation of a SUMP compatible logic analyzer for the Arduino
  ☆473Updated last year
• greiman / SSD1306Ascii
  Text only Arduino Library for SSD1306 OLED displays
  ☆519Updated last year
• thomasfredericks / Bounce2
  Debouncing library for Arduino and Wiring
  ☆624Updated last year
• PaulStoffregen / TimerOne
  TimerOne Library with optimization and expanded hardware support
  ☆477Updated 6 months ago
• adafruit / RTClib
  A fork of Jeelab's fantastic RTC Arduino library
  ☆818Updated 8 months ago
• JChristensen / JC_Button
  Arduino library to debounce button switches, detect presses, releases, and long presses
  ☆435Updated 4 months ago
• adafruit / Adafruit-PCD8544-Nokia-5110-LCD-library
  Arduino driver for PC8544, most commonly found in small Nokia 5110's
  ☆396Updated last year
• JChristensen / tinySPI
  Arduino hardware SPI library for ATtiny44/84, 45/85, 461/861, 2313/4313.
  ☆158Updated 6 years ago
• PaulStoffregen / OneWire
  Library for Dallas/Maxim 1-Wire Chips
  ☆620Updated 6 months ago
• pasko-zh / brzo_i2c
  Brzo I2C is a fast I2C Implementation written in Assembly for the esp8266
  ☆246Updated 3 years ago
• sumotoy / TFT_ILI9163C
  A library for ILI9163C displays for Teensy, Arduino, ESP82266 and more...
  ☆175Updated 2 years ago
• PaulStoffregen / ILI9341_t3
  Optimized ILI9341 TFT Library
  ☆254Updated last year
• rocketscream / Low-Power
  Low Power Library for Arduino
  ☆1,292Updated 2 years ago
• JChristensen / Timezone
  Arduino library to facilitate time zone conversions and automatic daylight saving (summer) time adjustments.
  ☆286Updated 11 months ago
• plerup / makeEspArduino
  A makefile for ESP8266 and ESP32 Arduino projects
  ☆528Updated last month
• micronucleus / micronucleus
  ATTiny usb bootloader with a strong emphasis on bootloader compactness.
  ☆1,707Updated 3 months ago
• adafruit / TinyWireM
  I2C library for Trinket and Gemma, adapted from BroHogan's code on Arduino Playground
  ☆218Updated last year
• felias-fogg / SoftI2CMaster
  Software I2C Arduino library
  ☆376Updated 8 months ago
• itead / ITEADLIB_Arduino_Nextion
  ☆337Updated 2 years ago
• MCUdude / MightyCore
  Arduino hardware package for ATmega1284, ATmega644, ATmega324, ATmega324PB, ATmega164, ATmega32, ATmega16 and ATmega8535
  ☆666Updated 4 months ago
• adafruit / Adafruit-ST7735-Library
  This is a library for the Adafruit 1.8" SPI display http://www.adafruit.com/products/358 and http://www.adafruit.com/products/618
  ☆608Updated last month