Raspberry Pi Alternatives
Raspberry Pi is described as 'A low-cost, capable little PC which can be used for many of the things that your desktop PC does, like games, spreadsheets and word-processing. It also plays high-definition video. We want to see it being used by children and young people all over the world to learn programming' and is a very popular app in the education & reference category. There are more than 10 alternatives to Raspberry Pi for Linux, Android, BSD, Self-Hosted solutions and Windows. The best alternative is Ubuntu Server, which is both free and Open Source. Other great apps like Raspberry Pi are DietPi, Orange Pi, Odroid and OLinuXino.
The leading platform for scale-out computing, Ubuntu Server helps you make the most of your infrastructure. Whether you want to deploy an OpenStack cloud, a Hadoop cluster or a 50,000-node render farm, Ubuntu Server delivers the best value scale-out performance available.
Ubuntu Server vs Raspberry Pi opinions
Ubuntu server is a linux distirbution, not a single board computer.
DietPi is a lightweight and optimized operating system mostly targeted against IoT devices. With DietPi you can install specially optimized software with a few clicks.
It’s an open-source single-board computer. It can run Android 4.4, Ubuntu, Debian, Rasberry Pi Image, it uses the AllWinner H3 SoC, and has 1GB DDR3 SDRAM.
Orange Pi vs Raspberry Pi opinions
Cheaper than Raspberry Pi
Orange Pi makes probably the cheapest stuff in this category.
The Odroid is a series of single-board computers and tablet computers created by Hardkernel Co., Ltd., an open-source hardware company located in South Korea.
Odroid vs Raspberry Pi opinions
NuncioBitisI got an Odroid once. It went obsolete within a year, and there was no documentation for it at all. Definitely not "open-source" in any interpretation of the phrase.
OLINUXINO is Open Source software and Open Source Hardware, low cost Linux Industrial grade single board computer with GPIOs capable to operate -25+85C.
OLinuXino vs Raspberry Pi opinions
Their board + LCD "metal frame" enclosures offer a convenient way to a DIY tablet with open source hardware.
The BeagleBoard.org Foundation is a US-based 501(c) non-profit corporation existing to provide education in and promotion of the design and use of open-source software and hardware in embedded computing. BeagleBoard.
Banana Pi is a single-board computer made in China. It can run Android, Ubuntu and Debian. Raspbian can be run, though the CPU complies with the requirements of the Debian armhf port.
The Minnow Board is Intel's entry into the hacker-space. It's a completely open-source single-board computer.
UDOO is a single-board computer integrated with a microcontroller Arduino 2 compatible, designed for the education of computer science, the world of Makers and the Internet of Things.
Cubieboard is a single-board computer, made in Shenzhen, Guangdong, China. The first short run of prototype boards were sold internationally in September 2012, and the production version as started to be sold in October 2012. It can run Android 4 ICS, Ubuntu 12.