VoCore
A coin-sized Linux computer that is totally open-source, and costs $20. This is a small, low-cost, totally open-source (both the hardware and software) computer that's ideal for projects such as IoT or building your own custom router.
- 360MHz MIPS CPU
- 32MB of RAM
- 8MB of flash memory
- Ready equipped with header pins for sound, USB 2.0, Ethernet, and Wi-Fi
Arduino INDUSTRIAL 101
A $40 Arduino that's idea for integration into a commercial or industrial product.
- Atheros AR9331 processor
- 64MB of RAM
- 16MB of flash storage
- USB 2.0
Banana Pi M3
Banana Pi M3 is a super charged single board computer with an Octa-core processor and 2GB of RAM. It also features Gigabit Ethernet, 2 USB, SATA, WiFi, Bluetooth, and HDMI connection. It can run on a variety of operating systems including Android, Lubuntu, Ubuntu, Debian, and Raspbian.
- Octa-core 1.8GHz CPU
- 2 GB RAM
- 8 GB eMMC flash storage
- Wi-Fi and Bluetooth onboard
C.H.I.P.
At $9, C.H.I.P. is a perfect demonstration of how cheap computing has become. You get what would only a few years ago have been desktop power on a tiny board.
- 1.0GHz CPU
- 512MB of RAM
- 4GB of storage
- Built-in Wi-Fi and Bluetooth
NanoPi 2 Fire
A cheap, $23 quad-core powered board that's ideally suited for hobbyists.
- Samsung S5P4418 quad-core ARM Cortex-A9 up to 1.4GHz
- 1GB of RAM
- Gigabit Ethernet
- USB 2.0
NanoPC-T3
The NanoPC-T3 is the bigger brother of the NanoPi 2 Fire, and features an octa-core processor which has enough power for commercial and industrial applications.
- Samsung S5P6818 octa-core ARM Cortex-A53 up to 1.4GHz
- 1-2GB of RAM
- 8GB of flash storage
- Gigabit Ethernet
- USB 2.0
Intel Edison with Kit for Arduino
At around $92, the Intel name doesn't come cheap, but this Arduino-compatible board is turning out to be a popular choice.
- Dual-core, dual-threaded Intel Atom CPU with a 32-bit Intel Quark microcontroller
- 1GB of RAM
- 4GB of flash storage
- Integrated Wi-Fi, Bluetooth 4.0 LE
- Support for Yocto Linux, Python, Node.js and Wolfram
cloudBit
The easiest way to create internet-connected devices - no programming, soldering or wiring required. IFTTT support allows it to connect with any web service, like Facebook, Gmail and Twitter, or hardware like NEST and Philips HUE.
All for just $59.95.
- Freescale i.MX23 ARM926EJ-S processor
- 64MB of RAM
- 802.11b/g/n
Parallella
The Parallella computer is a high performance, credit card sized computer based on the Epiphany multi-core chips from Adapteva. Starting at $99, the Parallella can be used as a standalone computer, an embedded device or as a component in a scaled out parallel server cluster.
- 16-core Epiphany RISC SOC
- Zynq SOC (FPGA + ARM A9)
- Gigabit Ethernet
- 1GB SDRAM
- Micro-SD storage
- Up to 48 GPIO pins
- HDMI, USB (optional)
PixelPro
The PixelPro features a i.MX6Q Quad-core ARM Cortex-A9 running at 1.0 GHz, with 2D and 3D GPUs and an embedded 2GB 64-bit DDR3 RAM, which means that it is capable of running rich multimedia applications, embedded web servers, digital entertainment systems, industrial control systems, and high definition video.
At $129.95, the PixelPro is not cheap, but you get a lt of power for the cash.
- Freescale i.MX6Q Soc Quad Core ARM Cortex-A9 up to 1GHz
- 2GB of RAM
- WiFi: 802.11 a/b/g/n/ac
- Gigabit Ethernet
- PCIe x1
- USB 2.0