Portability to ESP8266/ESP32, Teensy, and similar devices is a huge plus.

• Arduino Liquid Crystal
• Arduino BigCrystal: big characters, serial and PFC8574 I2C input
• Arduino BigCrystalTWI: big characters, MCP2008 I2C input

• u8g2 : monochrome graphics library
• u8glib : monochrome graphics library
• openGLCD: GPL, appears to be monochrome only
• MGLCD: character LCDs
• LEDmatrix7219: 8×8 LED matrix
• OLED_I2C: 128×64 OLED displays based on SSD1306

• Adafruit GFX Library
• Arduino TFT: extends the Adafruit GFX, and Adafruit ST7735 libraries
• TFT_ST7735: Arduino graphics library for ST7735 displays with propotional fonts
• UTFT
• Nextion for Arduino: Integrated driver uC and touch

* Arduino PCF8574 : bidirectional I2C to parallel

• LCD Assistant
• https://xantorohara.github.io/led-matrix-editor/

• http://howtomechatronics.com/tutorials/arduino/8x8-led-matrix-max7219-tutorial-scrolling-text-android-control-via-bluetooth/

• Cheap 16×2 and similar character LCD
• Cheap graphic LCD
• TFT graphic LCD
• OLED
• ePaper

• TFT capacitive touch
  • eg https://www.adafruit.com/product/1947
• Nextion via iTead

• East Rising: Character LCD, graphic LCD, TFT (w and w/o touch), OLED, e-Paper.
• Waveshare: Particularly known for e-Paper, but also character LCD, graphic LCD, TFT (w and w/o touch), OLED.
• Adafruit : Comes at a premium, e.g. 8x8 matrix.
• Luckylight: Wholesale only?
• Betlux: Wholesale only?
• SainSmart

• See An Alternative Architecture for Hybrid Applications and Notes for Alternative Architectures for Hybrid Applications.
• Electronjs and similar.

• Currently deprecated for my use due to licensing hassles.

• For BeagleBone, 4.3“ and 7” touchscreen capes are available.
• For RPi, 7“ is the canonical, 2.8” also appears to be available.