An easy to use, powerful crawler implemented in PHP
A scalable web crawler framework for Java
Internet Archive's open-source, web-scale, web crawler project
Flexible Node.js AI-assisted crawler library
A free, feature-rich web analyzer and exporter/cloner you will love!
Python3 web crawler practice
Lighter, faster browser kernel of blink to integrate HTML UI in apps
Distributed Crawler Management Framework Based on Scrapy
Goutte, a simple PHP Web Scraper
Most Advanced Open Source Intelligence (OSINT) Framework
Python bindings for the Chromium Embedded Framework (CEF)
Python ShadowSocks framework
Catberry is an isomorphic framework
Web Crawler/Spider for NodeJS + server-side jQuery
Modular web site spider for web developers.