monix/monix

Asynchronous, Reactive Programming for Scala and Scala.js.

typelevel/spire

Powerful new number types and numeric abstractions for Scala.

finagle/finch

Scala combinator library for building Finagle HTTP services

non/spire

Powerful new number types and numeric abstractions for Scala.

julien-truffaut/monocle

Optics library for Scala

reactivemongo/reactivemongo

:leaves: Non-blocking, Reactive MongoDB Driver 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

stew/dogs

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

nrinaudo/kantan.csv

CSV handling library for Scala

scanamo/scanamo

Simpler DynamoDB access for Scala

travisbrown/iteratee

Iteratees for cats

djspiewak/shims

Seamless interop layer between cats and scalaz

pepegar/hammock

Purely functional HTTP client

kailuowang/mainecoon

Transform and compose tagless final encoded algebras in scala

alonsodomin/cron4s

Cross-platform CRON expression parsing for Scala

circe/circe-yaml

YAML parser for circe using SnakeYAML

circe/circe-config

Yet another Typesafe config Scala wrapper powered by circe

alexknvl/newtypes