Scrapy - Scrapy | A Fast and Powerful Scraping and Web Crawling Framework
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
StormCrawler - StormCrawler is an open source SDK for building distributed web crawlers with Apache Storm.
Process Street - Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.
Apache Nutch - Apache Nutch is a highly extensible and scalable open source web crawler software project.
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.