Yes, however a library you didn't write is likely less well-suited to the specific problem you're trying to solve than the one it was originally created for. Also, you won't understand it as well as its creator. And it's likely not written in the same style as you'd have written it.
The benefit of using a library written by an above-average 3rd party is often offset if not negated by the above concerns.
The benefit of using a library written by an above-average 3rd party is often offset if not negated by the above concerns.