Our great sponsors
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windmill
Open-source developer platform to turn scripts into workflows and UIs. Fastest workflow engine (5x vs Airflow). Open-source alternative to Airplane and Retool.
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DurableTask
Durable Task Framework allows users to write long running persistent workflows in C# using the async/await capabilities.
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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While most of the software is under the AGPLv3, the Commercial License section of the README [0] implies that the company takes on a fairly broad interpretation of the AGPL.
In particular, the line "[...] to build a feature on top of Windmill, to comply with AGPLv3 your product must be AGPLv3 [...]" seems to imply the company aligns with the stance taken by Google and other companies: that even calling the application via API is enough to trigger copyleft [1].
This implies that if I were to build a sign-up form that triggers a Windmill workflow in the backend, my entire application would either need to be AGPLv3 or I would need a commercial license.
That's perfectly reasonable, as it means any non-AGPL use will have to contribute back to Windmill via a commercial license. However, it does mean positioning this as an "Fully Open-source" alternative to Airflow is only technically correct. This is much closer in practice to "source available" than how most developers would think as "open source".
If this isn't how Windmill wants their license interpreted, I highly encourage clarifying things.
[0] https://github.com/windmill-labs/windmill#commercial-license
Might want to checkout DurableTasks[1] for that
[1] https://github.com/Azure/durabletask
Sorry, yes, VFX is "visual effects".
A sibling already gave links to Kabaret and Prism.
Here's the link to Kitsu: https://github.com/cgwire/kitsu
Yes it goes in that direction, however note that you can already do this in a not too hard way.
Our openflow spec is both open-source and has a full openapi definition: https://github.com/windmill-labs/windmill/blob/main/openflow...
you can use that to generate client sdks in any languages and build your own dag with it. That's what one of our customer did building a reactflow to openflow library: https://github.com/Devessier/reactflow-to-windmill
It's not as good as the decorator way but we move fast and if you still have interest for it we could prioritize it (and ask for feedbacks :))