[chrisandchris]

> You may not provide the software to third parties as a hosted or managed service, where the service provides users with access to any substantial set of the features or functionality of the software.

So you may not use it, at all, ever?

[lacksconfidence]

When I read that same bit it sounds more like you can offer a product, such as some tool for your service, built on top of the library. You can't offer the library itself as your product.

My best guess at a transition point would be, does reading the documentation of the library help the end user? If so you are probably releasing the library as a product and not your own product.

[lacksconfidence]

a bit late to edit, but in retrospect: s/probably/potentially/