Intel NUC - Intel NUCs are available as Kits(Barebones), Boards(Mainbaord only) and as perconfigured Mini-PCs.
Udoo x86 Ultra - Udoo x86 Ultra is a modern PC, known as the most powerful X86 maker board and an Arduino 101 compatible platform.
ESPRESSObin - Electronics, Single Board Computer, and x86
Raspberry Pi - The Raspberry Pi is a tiny and affordable computer that you can use to learn programming through fun, practical projects. Join the global Raspberry Pi community.
Google Coral - Google Coral is a SBC family designed for AI and ML in the edge. This particular board is a developer kit and is capable of running a full Linux distro.
Orange Pi - It’s an open-source single-board computer. It can run Android 4.