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.
ProntoForms - ProntoForms is a mobile business solutions application, converting paper forms onto any tablet or mobile device.
Apache Nutch - Apache Nutch is a highly extensible and scalable open source web crawler software project.
Nintex - Cloud-based digital workflow management automation platform