For my C#/.NET testing I've been using CsCheck[0] and I've enjoyed it quite a bit. It was a lot more approachable compared to Hedgehog and FsCheck and is also quite fast.
See: - https://github.com/AnthonyLloyd/CsCheck?tab=readme-ov-file#m... - https://github.com/AnthonyLloyd/CsCheck?tab=readme-ov-file#c...