qwest
Ajax library with XHR2, promises and request limit
hardened-fetch
Hardened Fetch is a tiny wrapper for `global.fetch` adding request timeouts, request throttling, retries with backoff and rate limit support, pagination, and descriptive errors.
crawler
Crawler is a ready-to-use web spider that works with proxies, asynchrony, rate limit, configurable request pools, jQuery, and HTTP/2 support.
