OpenXiangShan / XiangShan

Open-source high-performance RISC-V processor core written in Chisel, developed by the XiangShan project.

gitbucket / gitbucket

Self-hosted Git web platform written in Scala, offering repository hosting, issues, pull requests, and wiki.

playframework / playframework

The Community Maintained High Velocity Web Framework For Java and Scala.

scalatra / scalatra

Tiny Scala high-performance, async web framework, inspired by Sinatra

apache / carbondata

High performance data store solution

plokhotnyuk / jsoniter-scala

Scala macros for compile-time generation of safe and ultra-fast JSON codecs + circe booster

akka / akka-core

A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

apache / pekko

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

locationtech / geotrellis

GeoTrellis is a geographic data processing engine for high performance applications.

SuperscalarCrash / Gemmont

(NSCSCC 2026) A high-performance out-of-order superscalar LA32R processor for AI Agents