Boomi - The #1 Integration Cloud - Build Integrations anytime, anywhere with no coding required using Dell Boomi's industry leading iPaaS platform.
Scrapy - Scrapy | A Fast and Powerful Scraping and Web Crawling Framework
Postman - The Collaboration Platform for API Development
StormCrawler - StormCrawler is an open source SDK for building distributed web crawlers with Apache Storm.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Apache Nutch - Apache Nutch is a highly extensible and scalable open source web crawler software project.