For example, Space will turn a text file like this:
"""
The [quick] brown fox jumped over the [lazy] dog.
;;
Three commonly-used nonsense variable names:
1. foo
2. bar
3. baz
;;
OCaml :: A fast, functional, strongly-typed programming language.
"""
...into several (specifically, eight) Anki cards. Space recognizes cloze-deleted sentences, lists, and definitions, and generates possibly many cards per element in the input file. You can use space to quickly add large amounts of cards to a spaced-repetition system, after specifying what those cards should be in your text editor of choice.

Space uses a frontend written in OCaml, and a backend written in Python. In the future, this might change.