XML/Ada is a set of modules that provide a simple manipulation of XML streams. It supports the whole XML 1.0 specifications, and can parse any file that follows this standard (including the contents of the DTD). It also provides support for a number of other standard associated with XML, like SAX, DOM, and XML Schemas. In addition, it includes a module to manipulate Unicode streams, since this is required by the XML standard.

django-storages is a collection of custom storage backends for Django. Each storage backend has its own unique settings you will need to add to your settings.py file. Read the documentation for your storage engine(s) of choice to determine what you need to add.

OSRA is a utility designed to convert graphical representations of chemical structures, as they appear in journal articles, patent documents, textbooks, trade magazines etc., into SMILES (Simplified Molecular Input Line Entry Specification) - a computer recognizable molecular structure format. OSRA can read a document in any of the over 90 graphical formats parseable by ImageMagick - including GIF, JPEG, PNG, TIFF, PDF, PS etc., and generate the SMILES representation of the molecular structure images encountered within that document.

String::HexConvert is a wrapper around pack and unpack of Perl to convert a string of hex digits to ASCII and other way around.

Catmandu::Fix::Datahub provides utility functions and generic fixes for the Datahub project.

Catmandu::PubMed contains modules for working with PubMed data.