* [Sky v0.22.0](https://github.com/anzellai/sky) – Elm-inspired language compiling to Go with Hindley-Milner types, server-driven UI, and single-binary fullstack deployment.

* [fp-go v2.3.111](https://github.com/IBM/fp-go) – Functional programming primitives and monads for Go, including Option, Either, IO, Reader, Task, and State.

* [Tau v2.1.0](https://github.com/NicoNex/tau) – Dynamically typed, interpreted programming language with a small Go-based virtual machine, C object representation, and standard library written in the language itself.

* [underscore-java v1.123](https://github.com/javadev/underscore-java) – Java port of a popular utility library for functional programming.