I just posted a new SQL Server ORM library for .NET 6.0 (C#) named DataStore, which uses JSON object storage and a fluent-style querying pattern.
GitHub - argentini/Argentini.DataStore: SQL Server ORM library that stores models as JSON data with custom indexed computed columns for fast search and ordering (like mongodb). DataStore uses a fluent pattern for powerful querying and ordering of paged data, and parallel bulk saves (Windows, macOS, Linux, .NET 7.0, x64, Arm64, Apple Silicon)
github.com