softwaremill

In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.

The Scala HTTP client you always wanted!

Rapid development of self-documenting APIs

Zero-cost, compile-time, type-safe dependency injection library.

Modify deeply nested case class fields

Easy, fast, transparent generic derivation of typeclass instances

Template project to quickly start developing a Scala-based microservice or web application, with the build & project structure provided

Your daily code review tool

Safe direct-style streaming, concurrency and resiliency for Scala on the JVM

Web & mobile client-side akka-http sessions, with optional JWT support

Virtual-thread based safe concurrency & streaming

List of Call For Papers for IT conferences

because you should never give up, at least not on the first try

Pretty diffs for scala case classes

Kafka-based message queue

Good advice for Scala compiler errors

Rapid Form Development library. Use your favourite JS frontend & Scala backend frameworks.

Tiny independent libraries with a single purpose, often a single class

Example for "Entry level event-sourcing" blog

Lemons quality control dataset

Scala toolkit for working with third-party LLMs (OpenAI, Claude, and compatible). Define agents, call provider APIs, use MCPs, ensure correctness with structured inputs & outputs

Build type-safe, boilerplate-less MCP servers and clients in Scala

A node.js implementation of https://github.com/jirutka/maven-badges, originally created in ruby.

A sane set of default build settings

Recursion schemes training examples and exercises

The HTTP server stub you always wanted!