The best free open source website change detection and restock service
dude uncomplicated data extraction: A simple framework
Distributed Crawler Management Framework Based on Scrapy
A service daemon to run Scrapy spiders
Linux for content creation, web scraping, coding, and data analysis.
Easy Spider is a distributed Perl Web Crawler Project from 2006
Pythonic HTML Parsing for Humans
Genral Data Mining API: Only write html parsing code.