Scala language server with rich IDE features
Code formatter for Scala
Scala GraphQL implementation
Modern Load Testing as Code
Build concurrent, distributed, and resilient message-driven apps
Functional GraphQL library for Scala
Declarative, type-safe web endpoints library
Lift Framework
Distributed Tracing, Metrics and Context Propagation for applications
A tidy SQL-based DB access library for Scala developers
Fast, testable, Scala services built on TwitterServer and Finagle
A Thrift parser/generator
REST job server for Apache Spark
The forever free, ad-free and open source chess server
High performance websocket servers implemented by Spray-can
Machine learning server for developers and ML engineers
Scala libraries for building and consuming RESTful web services
Web development IDE in browser, supports Java, ruby, javascript...etc
The Guardian DotCom