Shale is a Ruby object mapper and serializer for JSON, YAML, TOML, CSV and XML. It allows you to parse JSON, YAML, TOML, CSV and XML data and convert it into Ruby data structures, as well as serialize data structures into JSON, YAML, TOML, CSV or XML.

A simple way to map XML to Objects written in Swift

BeanIO 3, a Java library for marshalling and unmarshalling bean objects from XML, CSV, delimited and fixed length stream formats.

Declarative Stream Mapping (DSM) is a stream de/serializer library for XML and JSON. DSM allows you to make custom parsing, filtering, transforming, aggregating, grouping on any JSON or XML document at stream time(read only once).

.NET Core example of using Dapper with the custom Xml and Json mappers

Dapper custom type handlers to serialize/deserialize objects to Xml and Json. Can be also used to map GUID to a string.

simple xml parser

Simple JAXB example

Hibernate tutorial 2 : XML Mapping

Example package registers doctrine entities with xml mapping information.