OpenXiangShan / XiangShan

Open-source high-performance RISC-V processor

scalatra / scalatra

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

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

SuperscalarCrash / Gemmont

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

com-lihaoyi / os-lib

OS-Lib is a simple, flexible, high-performance Scala interface to common OS filesystem and subprocess APIs