β lichess.org: the forever free, adless and open source chess server β
Open-source high-performance RISC-V processor
Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc
Berkeley's Spatial Array Generator
A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility
A fault tolerant, protocol-agnostic RPC system
Modern Load Testing as Code
Tiny Scala high-performance, async web framework, inspired by Sinatra
High performance data store solution
Scientific workflow engine designed for simplicity & scalability. Trivially transition between one off use cases to massive scale production environments
This repository contains the development code for sparkMeasure, an Apache Spark performance analysis and troubleshooting library. It simplifies collecting, aggregating, and exporting Spark task/stage metrics, and is designed for practical use by developers and data engineers in interactive analysis, testing, and production monitoring workflows.
Scala macros for compile-time generation of safe and ultra-fast JSON codecs + circe booster
Rudder is a configuration and security automation platform. Manage your Cloud, hybrid or on-premises infrastructure in a simple, scalable and dynamic way.
A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.
Apache OpenWhisk is an open source serverless cloud platform
State of the Art Natural Language Processing
An open source RESTful API platform for banks that supports Open Banking, XS2A, PSD2 and Open Finance through access to accounts, transactions, counterparties, payments, entitlements and metadata - plus a host of internal banking and management APIs.
Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala
MLeap: Deploy ML Pipelines to Production
Code formatter for Scala
GeoTrellis is a geographic data processing engine for high performance applications.
Scala library for boilerplate-free, type-safe data transformations
Library to read, analyze, transform and generate Scala programs
Chronon is a data platform for serving for AI/ML applications.
simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module
Eff monad for cats - https://atnos-org.github.io/eff
Ergo protocol description & reference client implementation
(NSCSCC 2026) A high-performance out-of-order superscalar LA32R processor for AI Agents
Orbeon Forms - Build, run, and manage web forms on-premises or in the cloud.
OS-Lib is a simple, flexible, high-performance Scala interface to common OS filesystem and subprocess APIs