The Raspberry Pi 3, made by the Raspberry Pi Foundation in 2016, is a versatile, low-cost single-board computer with various versions, including Model B and Model B+.
The Raspberry Pi 400, made by the Raspberry Pi Foundation in 2020, is a compact, all-in-one computer integrated into a keyboard.
The Raspberry Pi Zero W, introduced by the Raspberry Pi Foundation in 2017, is a tiny, affordable computer with built-in WiFi and Bluetooth, perfect for compact projects.