ESPRESSObin - Electronics, Single Board Computer, and x86
Udoo x86 Ultra - Udoo x86 Ultra is a modern PC, known as the most powerful X86 maker board and an Arduino 101 compatible platform.
MikroTik RouterOS - The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS.
Intel NUC boards - Four-by-four inch Intel NUC boards come with a soldered-on processor.
Lattepanda - Lattepanda is a complete windows 10 single board computer and first machine that comes pre-installed with a full edition of Windows 10 Home Edition so you can easily run all the powerful tools including NodeJs, Visual Studios and Processing etc.
esp32 - A very cheap small chip, compatible with Arduino.