non/spire

Powerful new number types and numeric abstractions for Scala.

finagle/finch

Scala combinator library for building Finagle HTTP services

typelevel/spire

Powerful new number types and numeric abstractions for Scala.

pureconfig/pureconfig

A boilerplate-free library for loading configuration files

typelevel/cats-effect

The purely functional runtime system for Scala

quasar-analytics/quasar

Quasar Analytics is a general-purpose compiler for translating data processing and analytics over semi-structured data into efficient plans that run 100% in the target infrastructure.

slamdata/matryoshka

Generalized recursion schemes and traversals for Scala.

frees-io/freestyle

A cohesive & pragmatic framework of FP centric Scala libraries

typelevel/algebra

Experimental project to lay out basic algebra type classes

stew/dogs

data structures for pure functional programming in scala. see the completely incomplete documentation website:

scanamo/scanamo

Simpler DynamoDB access for Scala

typelevel/cats-tagless

Library of utilities for tagless final encoded algebras

travisbrown/iteratee

Iteratees for cats

djspiewak/shims

Seamless interop layer between cats and scalaz

monix/minitest

The super light testing library for Scala and Scala.js

travisbrown/catbird

Birds and cats together

kailuowang/mainecoon

Transform and compose tagless final encoded algebras in scala

circe/circe-config

Yet another Typesafe config Scala wrapper powered by circe

alexknvl/newtypes

alonsodomin/cron4s

Cross-platform CRON expression parsing for Scala