OpenSeadragon
An open-source, web-based viewing technology for high-resolution zoomable images.
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Become a financial contributor.
Financial Contributions
Top financial contributors
$100 USD since May 2021
$100 USD since Dec 2021
$100 USD since Sep 2025
$65 USD since Sep 2021
$50 USD since Dec 2021
$25 USD since Jan 2022
$20 USD since Oct 2021
$20 USD since Jan 2022
$20 USD since Jan 2022
$20 USD since Sep 2024
$10 USD since May 2023
$10 USD since Jun 2025
$5 USD since Aug 2025
$5 USD since Sep 2025
OpenSeadragon is all of us
Our contributors 15
Thank you for supporting OpenSeadragon.
Ian Gilman
Oren Gal
$100 USD
Sam Hall
$100 USD
Tom De Herdt
$100 USD
Chris Honselaar
backer
$65 USD
Nenad Čikić
$50 USD
Joachim de Fo...
$25 USD
Jean-Marie Le...
$20 USD
DnDCombat
$20 USD
Guest
$20 USD
Guest
$20 USD
Marco Mezzavilla
$10 USD
Budget
Transparent and open finances.
Tech support, code review, general management, etc.
Credit from Tom De Herdt to OpenSeadragon •
Credit from Daniel Stonek to OpenSeadragon •
$100.52 USD
$458.93 USD
$358.41 USD
$120.00 USD
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Conversations
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Funding OpenSeadragon with OpenCollective
Published on September 18, 2021 by Ian Gilman
After quite some time of contemplating, I've taken the plunge and started this OpenCollective for OpenSeadragon. I've been working on OpenSeadrag...
About
Our team
Ian Gilman