Scala

An Open-Source Scaling Framework for Domain Specific Architectures

Dicer auto-sharder: Infrastructure for building sharded services

Simple, beautiful CLI output

FSA: Fusing FlashAttention within a Single Systolic Array

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

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

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

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

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

Agentic and LLM Programming in Scala

Open-source high-performance RISC-V processor

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

Open-source FPGA retro emulation handheld

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

An open-source UCIe implementation

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.

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

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

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

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

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

ECMAScript Specification (ECMA-262) Metalanguage

Toolkit for Scala Development

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

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

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

Identus Cloud Agent

ldbc is Pure functional JDBC layer with Cats Effect 3 and Scala 3.

A type-checker for Erlang

Beautiful Text-based User Interfaces for Scala

Berkeley's Spatial Array Generator

RISC-V SoC designed by students in UCAS

Chronon is a data platform for serving for AI/ML applications.

Declarative text based tool for data analysts and engineers to extract, load, transform and orchestrate their data pipelines.

The MLscript programming language. Functional and object-oriented; structurally typed and sound; with powerful type inference. Soon to have full interop with TypeScript!

Silhouette is an authentication library for Play Framework applications that supports several authentication methods, including OAuth1, OAuth2, OpenID, CAS, 2FA, TOTP, Credentials, Basic Authentication or custom authentication schemes.

Gobra is an automated, modular verifier for Go programs, based on the Viper verification infrastructure.