Our front-end, back-end, and protocol are fully open source under GPL-3.0 license.

Here are some specific projects we delivered:

We built one of the first open-source Passkeys implementations: https://kiwistand.github.io/kiwi-docs/docs/kiwi-how-works/passkeys 

We created an open-source key delegation implementation:

https://kiwistand.github.io/kiwi-docs/docs/kiwi-how-works/delegation 

We created an open-source onchain ads prototype:
https://github.com/attestate/ad 

And on top of that, we support indie devs in sharing their projects with a wider audience:
https://kiwistand.github.io/kiwi-docs/docs/community/sharing-products 