Double Dig IT
Sustainable collection management software, open and future-proof.
Who are we?
Double Dig IT, founded in 2018 by Bert Degenhart Drenth and Daan Kuijper, combines decades of experience in collection management software with a fresh, open-source approach. Our products are used worldwide by heritage institutions and are designed for longevity, compatibility, and ease of use.
Open Source
Transparent, sustainable, and collaboration-oriented.
Compatibility
No migrations, no data loss.
Future-Oriented
Always the latest technology while maintaining compatibility.
Accessibility
Technically and financially achievable for everyone.
What we do
We develop and support Collection Publisher, Collection Manager, and a powerful API. Our software runs on all major platforms and in containers, is open source, free from licensing restrictions, and works seamlessly with existing systems to prevent data migrations and data loss.
Explore our services and solutions for a future-proof cultural sector:
Our Vision
Collection management systems are as critical to heritage institutions as financial systems are to banks. These systems must be sustainable, accessible, and affordable for every institution – from small to large – and designed for generations of use.
Collaboration
We believe in close collaboration with our clients, working together toward shared success.
Innovation
We embrace the latest technologies and approaches to deliver innovative solutions.


Our Mission
With open-source, user-friendly, and future-proof software, we give heritage institutions maximum control and freedom. At the same time, we train a new generation of developers and safeguard the continuity of our products.
Expertise
We have deep expertise and experience in the cultural sector, which means we understand your institution’s unique needs.
Customization
Every project is tailored to fit your goals and challenges perfectly.