sumatrapdfreader is a PDF, eBook (epub, mobi), comic book (cbz/cbr), DjVu, XPS, CHM, image viewer for Windows. Fast, small, packed with features, customizable, free.

CFR is an extremely minimal drawing language

Humming-Birds Digital edition of John Gould’s monumental work depicting all known species between 1849 and 1887

nota-lang.org is a language for writing documents, like academic papers and blog posts

Commercially Available Chairs in Star Trek

Ishkur's Guide to Electronic Music

nostalgist.js.org is a JavaScript library that allows you to run emulators of retro consoles, like NES and Sega Genesis, within web browsers

Linux is borrowing unused memory for disk caching. This makes it look like you are low on memory, but you are not! Everything is fine!

How the Ear works - Nature’s solutions for listening