A modern programming language that makes developers happier.

kotlinlang

yeah I would say its necessary. Right now, for the desktop app we're building we use MapDB and XStream because they're so incredibly simple and our domain is one that means there isn't likely to be a lot of querying. But if I went back to working on something with a proper (non-embedded) database and a domain that required its data to be more available, I would hate to make that tool without something like linq-to-sql or linq-to-mongo