Open Collective
Open Collective
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Become a contributor

These are all the ways you can help make our community sustainable.

Recurring contribution
Supporter

Thank you for supporting the development of the engine! The engine, documentation, over 100 examples, view3dscene, forum, Discord chat and more are... Read more

Starts at
$5 USD / month

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Recurring contribution
Silver Sponsor

The sponsors on this level are also mentioned on our public https://castle-engine.io/credits page.

Starts at
$10 USD / month

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Recurring contribution
Golden Sponsor

In addition to the benefits from previous tiers, you are invited to a monthly meeting scheduled by Michalis only for sponsors on this tier. Please ... Read more

Starts at
$50 USD / month

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Custom contribution
Donation
Make a custom one-time or recurring contribution.

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