prelude-ls
prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.
cssesc
A JavaScript library for escaping CSS strings and identifiers while generating the shortest possible ASCII-only output.
didyoumean2
a library for matching human-quality input to a list of potential matches using the Levenshtein distance algorithm
itty-time
Ultra-small (~390 bytes) library for TTL date math and converting ms durations to and from strings.