Smallpdf - PDF document management and conversion suite

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.

iLovePDF - Free online PDF tool set

Orange Pi - It’s an open-source single-board computer. It can run Android 4.

Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.

Odroid - The Odroid is a series of single-board computers and tablet computers created by Hardkernel Co.