Open source server powering lichess.org, a free, ad-free online chess platform with realtime games, analysis, and tournaments.
Specification and Scala tooling for the Code Property Graph, a language-agnostic representation of program code for analysis.
A Scala 3 web framework. Direct-style. The case class is the source of truth. Deploy with one command.
An open-source storage framework for building Lakehouse architectures with ACID tables accessible from Spark, Flink, Trino, Presto, and Hive.
Open-source Chisel framework for building agile RISC-V systems-on-chip from cores, accelerators, and peripherals.
ZIO β A type-safe, composable library for async and concurrent programming in Scala
The Community Maintained High Velocity Web Framework For Java and Scala.
Tiny Scala high-performance, async web framework, inspired by Sinatra
Functional JDBC layer for Scala.
Facebook's React on Scala.JS
The software used to extract structured data from Wikipedia
Modify deeply nested case class fields
Simple, expressive, and safe UI library for Scala.js
Strong type constraints for Scala
Lightweight, modular, and extensible library for functional programming.
Principled Functional Programming in Scala
Generic programming for Scala
Compositional, streaming I/O library for Scala
Asynchronous, Reactive Programming for Scala and Scala.js.
Optics library for Scala
A data access library for Scala + Postgres.
Rapid development of self-documenting APIs
Scala library for boilerplate-free, type-safe data transformations
GraphFrames is a package for Apache Spark which provides DataFrame-based Graphs
Library to read, analyze, transform and generate Scala programs
Functional GraphQL library for Scala
A connector for Spark that allows reading and writing to/from Redis cluster
Expressive types for Spark.
A next-generation Scala framework for building scalable, correct, and efficient HTTP clients and servers
Easy, fast, transparent generic derivation of typeclass instances
Slick Plugin for Play
Chess API written in scala. Immutable and free of side effects.
Essential Spark extensions and helper methods β¨π²
ScalaFX simplifies creation of JavaFX-based user interfaces in Scala
Essential Building Blocks for Scala
The code examples used in Programming Scala, 2nd and 3rd Editions (O'Reilly)
Productivity-oriented collection of lightweight fancy stuff for Scala toolchain
Eff monad for cats - https://atnos-org.github.io/eff
Twirl is Play's default template engine
Native Scala mocking framework
The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.
:shopping_cart: The Shopping Cart application developed in the book "Practical FP in Scala: A hands-on approach"
Purely functional JSON parser and library in scala.
A Spark plugin for reading and writing Excel files
Scala framework for building beautiful and maintainable web applications.
Compiler for the Vale programming language - http://vale.dev/
π± Trading application written in Scala 3 that showcases an Event-Driven Architecture (EDA) and Functional Programming (FP)
Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3
Refactoring and linting tool for Scala