Here you will find a selection of excellent tools that can help you work with IDML documents.
The IDML Creator for PHP is a fee-based library, that allows converting IDML content natively in PHP.
The IDML Validator for PHP is an open-source library, that allows validating IDML files natively in PHP.
The IDML Writer for PHP is an open-source library, that allows creating and writing IDML files natively in PHP.
The IDML-HTML Converter for PHP is a fee-based library, that allows converting IDML files into HTML and HTML into IDML files in PHP.
The IDML-JSON Converter for PHP is an open-source library, that allows converting IDML files into JSON and JSON into IDML files in PHP.
The Markdown to IDML Converter for PHP is a fee-based library, that allows converting Markdown into IDML Stories in PHP.