www.alphadictionary.com

One I've only heard of recently. Traditionally this refers to a collection of literary passages, used perhaps as an aid in learning a subject. Of Greek derivation, from khrestos, useful, and mathein, to know

For the modern developer this is a rewriting of code with the same purpose in a number of different languages, used to demonstrate syntactical differences - the Rosetta code site demonstrates this principle. I understand this is perhaps a little niche, however some may find the idea and examples as fascinating as I do?

http://rosettacode.org/wiki/Calendar

I'm not into programming, but this is the word in Russian for an anthology.