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about the open source software

This project offers professional maintenance for open source PostgreSQL tools. We believe in reliable, accountable, and independent stewardship of critical database infrastructure.

Our mission is to ensure the long-term sustainability of these essential tools through professional support, continuous development, and community engagement.

pgloader
pgcopydb
pg_auto_failover
pgextwlist

FAQ

What is included in the maintenance subscription?: Our maintenance subscriptions include bug fixes, security updates, performance improvements, and priority support for the covered open source tools.
How is this different from using the software for free?: The software remains freely available under its original open source license. Our subscription provides professional support, guaranteed response times, and funding for continued development.
Who's behind this?: Dimitri Fontaine, author and maintainer of pgloader, pgcopydb, and pg_auto_failover, with 25+ years of open source PostgreSQL contributions and a public track record on GitHub.
How does this relate to The Art of PostgreSQL?: This maintenance program is part of The Art of PostgreSQL, the wider ecosystem of PostgreSQL training and resources at theartofpostgresql.com — the book, the course, the live Masterclass, and team licensing.
Can I get a refund?: Yes, if the service doesn't meet your expectations, contact us for a full refund within 30 days.
How do I purchase a subscription?: Select a plan below and complete the checkout process. You'll receive confirmation and access to our support channels.

Copyright 2026 © Dimitri Fontaine. All rights reserved.