softwaremill/magnolia

Easy, fast, transparent generic derivation of typeclass instances

data-tools/big-data-types

A library to transform Scala product types and Schemas from different databases into other Schemas. Any implemented type gets automatically methods to convert it into the rest of the types and vice versa. For example, an Spark Schema can be transformed into a BigQuery table.

driver-oss/spray-json-derivation

Easy JSON formats for any case classes, for Scala, ScalaJS and Scala Native

medeia/medeia

A BSON libary for scala using typeclasses

mateuszkubuszok/pipez

Generate type mappers for your own type class

xuwei-k/scalaz-magnolia

auto deriving scalaz typeclass instances with magnolia

fdietze/formidable

Automatic Form Derivation for Outwatch

scalaprops/scalaprops-deriving

scalaz-deriving instances for scalaprops. generation of arbitrary case classes / ADTs instances

dmytromitin/shapeless

Generic programming for Scala

dmytromitin/shapeless-circe-patched-type-keytag

https://stackoverflow.com/questions/74384745/encoding-decoding-a-field-with-any-datatype-assigned-with-value-none-in-scala