Event Sourcing Aggregates that use Scala typeclasses
Java 8 annotation processor and framework for deriving algebraic data types constructors, pattern-matching, folds, optics and typeclasses.
Dependent sums and supporting typeclasses for comparing and displaying them
Workshop on typeclasses in scala
Quickcheck Properties for common typeclasses
QuickCheck powered law tests for PureScript's core typeclasses.
A statically-typed functional language with generics, typeclasses, sum types, pattern-matching, first-class functions, currying, algebraic effects, associated types, good diagnostics, etc.
Fun with typeclasses!
Future C++ implementation of Rust-like trait objects with no boilerplate
The Haskell Phrasebook: a quick intro to Haskell via small annotated example programs