scallop/scallop   5.2.0

a simple Scala CLI parsing library

bkirwi/decline   2.6.2

A composable command-line parser for Scala.

scala/scala-parser-combinators   2.4.0

simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module

jwt-scala/jwt-scala   11.0.4

JWT support for Scala. Bonus extensions for Play, Play JSON, Json4s, Circe, uPickle, Spray and Argonaut

guardian/grid   1.7.15

The Guardian’s image management system

tototoshi/scala-csv   2.0.0

CSV Reader/Writer for Scala

com-lihaoyi/upickle   4.4.3

uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala

shadaj/slinky   0.7.5

Write Scala.js React apps just like you would in ES6

testcontainers/testcontainers-scala   0.44.1

Docker containers for testing in scala

scoverage/sbt-scoverage   2.3.1

sbt plugin for scoverage

kaitai-io/kaitai_struct_compiler   0.10

Kaitai Struct: compiler to translate .ksy => .cpp / .cs / .dot / .go / .java / .js / .lua / .nim / .php / .pm / .py / .rb / .rs

suzaku-io/diode   1.1.14

Scala library for managing immutable application model

wvlet/airframe   2025.1.19

Essential Building Blocks for Scala

com-lihaoyi/requests-scala   0.9.3

A Scala port of the popular Python Requests HTTP client: flexible, intuitive, and straightforward to use.

7mind/izumi   1.4.6

Productivity-oriented collection of lightweight fancy stuff for Scala toolchain

rbmhtechnology/eventuate   0.10

Global-scale event sourcing and event collaboration with causal consistency (This project is in maintenance mode. Only critical bugs will be fixed, but there is no more feature development.).

apache/incubator-livy   0.8.0-incubating

Apache Livy is an open source REST interface for interacting with Apache Spark from anywhere.

frees-io/freestyle   0.8.2

A cohesive & pragmatic framework of FP centric Scala libraries

virtuslab/scala-cli   1.9.1

Scala CLI is a command-line tool to interact with the Scala language. It lets you compile, run, test, and package your Scala code (and more!)

hseeberger/akka-http-json   1.39.2

Integrate some of the best JSON libs in Scala with Akka HTTP