The major feature is a case-insensitive IQueryable to address the mismatch between LINQ Entity Framework and SQL Server case-sensitivity. Also, simple extension methods providing syntactic sugar for strings and collections.
With EFCore.DbContextFactory you can resolve easily your DbContext dependencies in a safe way injecting a factory instead of an instance itself, enabling you to work in multi-thread contexts with Entity Framework Core or just work safest with DbContext following the Microsoft recommendations about...
A high performance, low code alternative to ORM's such as Entity Framework, offers intelligent database mapping to your existing CLR objects with minimal effort. Visit "Design Goals" on GitHub to see more rationale and guidance.