xsltproc
xsltproc is a command-line tool for applying XSLT (Extensible Stylesheet Language Transformations) stylesheets to XML documents. It is part of the libxslt library and is widely used for converting XML data into other formats like HTML, plain text, or other XML structures. The tool is known for its speed, reliability, and compliance with XSLT and XPath standards.
Developers should learn xsltproc when working with XML data that needs transformation, such as generating web pages from XML content, converting data between XML schemas, or processing configuration files. It is particularly useful in build pipelines, documentation generation, and data integration tasks where automated XML processing is required, offering a lightweight and scriptable alternative to GUI-based XSLT processors.