Alternatives and similar repositories for SD:

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

• mattairtech / ArduinoCore-samd
  This is a fork from arduino/ArduinoCore-samd on GitHub. This will be used to maintain Arduino support for SAM D|L|C (M0+ and M4F) boards …
  ☆106Updated 11 months ago
• adafruit / Adafruit_ZeroDMA
  DMA helper/wrapped for ATSAMD21 such as Arduino Zero & Feather M0
  ☆60Updated last year
• PaulStoffregen / FreqMeasure
  Measures the elapsed time during each cycle of an input frequency.
  ☆74Updated 2 years ago
• adafruit / Adafruit_ZeroTimer
  happy wrappers for TC modules 3,4,5 on SAMD21
  ☆31Updated last year
• sumotoy / RA8875
  A library for RAiO RA8875 display driver for Teensy3.x or LC/Arduino's/Energia/Spark
  ☆80Updated 5 years ago
• PaulStoffregen / FreqMeasureMulti
  Measures the elapsed time during each cycle of up to 8 input frequencies.
  ☆35Updated 3 years ago
• PaulStoffregen / EEPROM
  ☆82Updated last year
• xxxajk / spi4teensy3
  Faster SPI library optimized for the teensy 3.0 from pjrc.com
  ☆90Updated 7 years ago
• PaoloP74 / extEEPROM
  Arduino library to support external I2C EEPROMs.
  ☆33Updated 5 years ago
• PaulStoffregen / SPI
  SPI library for Teensy & Arduino IDE
  ☆140Updated last year
• MajenkoLibraries / Average
  Templated class for calculating averages and statistics of data sets.
  ☆57Updated last year
• adafruit / Adafruit_FRAM_SPI
  Driver for Adafruit's SPI-Based FRAM Breakouts
  ☆36Updated 4 months ago
• adafruit / ArduinoCore-samd
  ☆116Updated last month
• adafruit / Adafruit_FRAM_I2C
  Arduino library driver for Adafruit's I2C-Based FRAM Breakouts
  ☆45Updated last year
• platformio / platform-teensy
  Teensy: development platform for PlatformIO
  ☆91Updated 11 months ago
• PaulStoffregen / CoreMark
  Benchmark CPU Performance on Arduino Compatible Boards
  ☆108Updated 3 years ago
• pololu / fastgpio-arduino
  C++ library for the Arduino IDE that allows you to manipulate general-purpose I/O (GPIO) pins on your Arduino or Arduino-compatible board…
  ☆73Updated last year
• PaulStoffregen / LittleFS
  ☆82Updated 3 months ago
• greiman / DigitalIO
  Fast Digital I/O, Software I2C, and Software SPI for AVR Arduino
  ☆126Updated 2 years ago
• adafruit / Adafruit_MCP4725
  MCP4725 12-bit I2C DAC
  ☆96Updated last year
• GravCorp / DayOLED_SSD1306
  A library for the Arduino Due, for using SSD1306 OLED screens, with DMA for high speed.
  ☆36Updated 9 years ago
• PaulStoffregen / PulsePosition
  Multiple High-Res Input & Output PPM Encoded Signal Streams on Teensy 4.x, 3.x & LC
  ☆48Updated 3 years ago
• WMXZ-EU / uSDFS
  uSD File system based on ELM-CHaN generic FAT system
  ☆28Updated last year
• MajicDesigns / MD_Menu
  Menu system for displays with up to 2 lines
  ☆71Updated 4 years ago
• manitou48 / teensy4
  Teensy 4 sketches and such
  ☆40Updated 11 months ago
• technoblogy / tiny-mega-i2c
  Minimal I2C master routines for the new AVR microcontrollers.
  ☆22Updated 2 years ago
• Nullkraft / Keypad
  Matrix Keypad library for Arduino
  ☆58Updated 3 months ago
• PaulStoffregen / Ethernet
  Ethernet library for Teensy (Wiznet W5100 / W5200 / W5500)
  ☆131Updated 2 years ago
• psychogenic / SerialUI
  A Serial User Interface for embedded devices, namely Arduinos.
  ☆49Updated 5 years ago
• MajenkoLibraries / MCP23S17
  Arduino library for MCP23S17 IO Expanders
  ☆45Updated 3 years ago