Scala

Direct-style pure domain logic for Scala

FSA: Fusing FlashAttention within a Single Systolic Array

Build type-safe, boilerplate-less MCP servers in Scala using the HTTP transport

An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs

Apache Spark - A unified analytics engine for large-scale data processing

♞ lichess.org: the forever free, adless and open source chess server ♞

Powerful, joyful building blocks for modern cloud-native applications.

Agentic and LLM Programming in Scala

A eDSL framework based on Scala and MLIR, focusing on the Hardware design.

A direct-style effect system in Scala 3 that tracks effects

Cluster-level matrix unit integration into GPUs, implemented in Chipyard SoC

Simple, Business-friendly Decisions Engine for Scala

Open-source high-performance RISC-V processor

An open-source UCIe implementation

Open-source FPGA retro emulation handheld

Reference applications for funding, operating, and incentivizing the use of a decentralized, public Canton synchronizer. Includes the Amulet reference application for creating native payment utilities for Canton synchronizers and Daml applications.

Like VexRiscv, but, Harder, Better, Faster, Stronger

OpenSnowcat Enricher (Apache 2.0 License)

Flink Scala API is a thin wrapper on top of Flink Java API which support Scala Types for serialisation as well the latest Scala version

Identus DIDComm V2 Mediator

Scala ORM to query SQL databases from Scala via concise, type-safe, and familiar case classes and collection operations. Connects to Postgres, MySql, H2, and Sqlite out of the box

GPGPU processor supporting RISCV-V extension, developed with Chisel HDL

Simple, Composable, Business-oriented Workflows for Scala

Simple database migration tool for Postgres with skunk on JVM and Native

Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala

Gluten is a middle layer responsible for offloading JVM-based SQL engines' execution to native engines.

Scala compiler plugin to detect unused expressions

The Streaming-first HTTP server/module of Apache Pekko

Beautiful Text-based User Interfaces for Scala

Identus Cloud Agent

Berkeley's Spatial Array Generator

A cross-platform (JVM, JS, Native) pure-Scala JsonRPC library, made with Cats Effect, fs2, and jsoniter

Scala client for OpenAI API and other major LLM providers

An OpenTelemetry library for Scala based on Cats-Effect

A library for configuring scalac options

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

An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more

ECMAScript Specification (ECMA-262) Metalanguage

Toolkit for Scala Development

Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc

SonicBOOM: The Berkeley Out-of-Order Machine

💱 Trading application written in Scala 3 that showcases an Event-Driven Architecture (EDA) and Functional Programming (FP)

🕹 2D ASCII Game Engine for Scala3

Exercises for Zionomicon

Chisel: A Modern Hardware Design Language

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!)