Xidel is a command line tool to download web pages or JSON-APIs and extract data from them. It can download files over HTTP/S connections, follow redirections, links, (partially) filled-in forms, extracted values, and process local files. The data can be extracted using XPath 2.0, XQuery 1.0, XPath/XQuery 3.0 and JSONiq expressions, CSS 3 selectors, and custom, pattern-matching templates that are like an annotated version of the processed page. The extracted values can then be exported as plain
Saxon is a XSLT 3.0, XQuery 3.0 and Xpath 3.0 and XML Schema 1.1 processor for Java, which strives for maximum W3C standards compliance.