Projects

argonaut-shapeless

Automatic derivation for argonaut

banana-rdf

RDF, SPARQL and Linked Data technologies

cats-scalatest

Scalatest bindings for Cats.

Ciris

Functional Configurations for Scala

coulomb

A statically typed unit analysis library for Scala

cron4s

Cross-platform CRON expression parsing for Scala

decline

A composable command-line parser for Scala.

doobie

A pure functional JDBC layer for Scala. It is not an ORM, nor is it a relational algebra; it just provides a principled way to construct programs (and higher-level libraries) that use JDBC.

eff

Extensible effects are an alternative to monad transformers for computing with effects in a functional way. This library is based on the “free-er” monad and an “open union” of effects described by Oleg Kiselyov in “Freer monads, more extensible effects”

Extruder

Populate case classes from any configuration source

Fetch

Library built on top of Cats that provides efficient data access from heterogeneous dataurces

Finch

Purely functional basic blocks atop of Finagle for building composable HTTP APIs

fs2-data

Parse and transform data (CBOR, CSV, JSON, XML) in a streaming manner

Hammock

Purely functional HTTP client

http4s

A typeful, purely functional HTTP library for client and server applications

imp

Summoning implicit values

Libra

Compile time dimensional analysis for any problem domain

Monix

High-performance library for composing asynchronous, event-based programs, exposing a Reactive Streams implementation along with primitives for dealing with concurrency and side-effects.

Monocle

Optics library offering a simple yet powerful API to access and transform immutable data

Outwatch

The Functional and Reactive Web-Frontend Library for Scala.js

parsley-cats

The parsley-cats library exposes Cats instances for Parsley parsing library.

PureConfig

A boilerplate-free library for loading configuration files

refined

Tools for refining types with type-level predicates which constrain the set of values described by the refined type, for example restricting to positive or negative numbers.

scalacheck-shapeless

Automatic derivation for ScalaCheck

Scala Exercises

Platform and framework for Scala devs to learn about Scala libraries

scala-steward

A robot that helps keeping Scala projects up-to-date

scodec

scodec is a combinator library for working with binary data. It focuses on contract-first and pure functional encoding and decoding of binary data and provides integration with shapeless.

Scoverage

Code coverage tool for Scala

Shapeless

Shapeless is a generic programming library. Starting with implementations of Scrap your boilerplate and higher rank polymorphism in Scala, it quickly grew to provide advanced abstract tools like heterogenous lists and automatic instance derivation for type classes.

singleton-ops

Operations for primitive and String singleton types

sonic

Property-based testing with integrated shrinking

specs2

specs2 is a library for writing executable software specifications, aiming for conciseness, readability and extensibility.

TwoTails

A compiler plugin adding support for mutual tail recursion

uniform-scala

Functional user journeys