Threepress creates software for publishers, educators and authors.
With more than a decade of experience in web development and over five years in digital publishing, we provide expert consulting services and software engineering. Past work has included award-winning XML-driven search applications, social networking platforms, editorial management systems and data migration tools.
Threepress owner Liza Daly is a frequent author and speaker on publishing technology and is a committee member and blogger for O'Reilly Tools of Change.
Recently released
- Apr 27 2009 Bookworm available in German, Danish and Finnish, part of a volunteer translation effort
- Apr 6 2009 Bookworm Reading Mode, an advanced UI for online reading
- Apr 5 2009 docbook2epub 1.0.1
- Apr 3 2009 epubjs, an experimental lightweight ePub widget, supported in all major browsers
- Feb 9 2009 Bookworm now a part of O'Reilly Labs
- Feb 9 2009 O'Reilly Product Metadata Interface
Ebook consulting
Threepress has considerable expertise with the ePub ebook format. We produce free tutorials, software and tools to help publishers and authors embrace this new technology.
Threepress Consulting is a member of the IDPF (International Digital Publishing Forum) and an active participant in the ePub Working Group.
Client work
We are proud of our long history of successful client relationships. We love working with publishers, book enthusiasts, and organizations with an educational mission.
Technology
We can work with the tools you need, but we are especially experienced in:
- Web
- Django
- jQuery
- XHTML/CSS
- Programming
- Python
- Java
- Perl
- XML
- XQuery
- XSLT
- XPath
- Schemas
- ePub
- DocBook
- TEI
- Search
- SEO
- MarkLogic
- Xapian
You are encouraged to review Threepress code at the public repositories for Threepress and epub-tools.
Now a part of O'Reilly Labs, Bookworm is the most advanced open-source ePub reader, serving thousands of books. It integrates with many ebook devices and software, provides free tools for publishers, and is in active, public development.
A commitment to open source.
Open source software is a powerful expression of transparency and community that allows businesses to save money while producing high-quality digital products. Threepress uses and produces open source software wherever possible.
epub-tools is a project aimed at software developers who need reusable toolkits to produce ePub files from various formats. This project includes Python libraries that convert from the DocBook and TEI XML formats and epubjs, a lightweight pure Javascript ePub reader.

