Flexmark is a CommonMark/Markdown parser for Java, offering granular control of the parsing process, HTML rendering, emulation of other parsers, conversion modules e.g. to PDF or DOCX and a vast set of extension modules. The full flexmark module family is available on APIdia for browsing API docs in a single integrated doc profile: https://apidia.net/mvn/com.vladsch.flexmark/flexmark-all