skinny-framework/skinny-framework

:monorail: "Scala on Rails" - A full-stack web app framework for rapid development in Scala

jto/validation

validation api extracted from play

gitbucket/scalatra-forms

A library to validate and map request parameters for Scalatra.

osinka/play-legitbot

Play Framework filter: allow only legitimate search bots to access the site

davidgregory084/robots

A helper library for validating data with Cats

wix/accord

Accord: A sane validation library for Scala

sksamuel/monkeytail

Macro derived validation for cats.data.Validated

scala-hamsters/hamsters

A mini Scala utility library

lewismj/kea

A Scala validating configuration reader for Typelevel Config.

aiyanbo/scala-utils

kubukoz/vivalidi

A crazy man's effect-agnostic validations for Scala DTOs

krzemin/octopus

Scala library for boilerplate-free validation

vivri/adjective

Programming is an exercise in linguistics; spice-up Scala types with Adjective.

taig/circe-validation

Use cats Validated to create (Accumulating) circe Decoders