====== Apache Tika - a content analysis toolkit ====== From: http://scraping.apievangelist.com/tools/ Also: http://tika.apache.org/ The Apache Tika™ toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF). All of these file types can be parsed through a single interface, making Tika useful for search engine indexing, content analysis, translation, and much more. You can find the latest release on the download page. Please see the Getting Started page for more information on how to start using Tika. ====== Diffbot ====== From: https://www.diffbot.com/products/crawlbot/ Crawlbot is smart spidering Crawlbot uses any Diffbot API to extract data from entire sites. Whether for product prices, historical weather, content migration or even three years of Hacker News archives, Crawlbot creates a structured index of practically any site's data.