hakluke/hakrawler: Simple, fast web crawler designed for easy, quick discovery of endpoints and assets within a web application

Golang で書かれた Web Crawler。簡単かつ手早く使える様になってるっぽい

geziyor/geziyor: Geziyor, a fast web crawling & scraping framework for Go. Supports JS rendering.

Golang によるクローラのライブラリ。良い感じっぽい