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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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exists-unique
Discontinued A formalised proof of existence and uniqueness of solution to the simultaneous debt and equity pricing problem on a banking network.
I think they end up similar. Although Lean 3 is much more geared towards writing proofs with the addition of mathlib [0] which aims to be a library of formalized mathematics.
[0] https://github.com/leanprover-community/mathlib
[2] https://github.com/agjftucker/exists-unique
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