Top 4 Scala Thrift Projects

Finagle

24 8,755 7.2 Scala

A fault tolerant, protocol-agnostic RPC system

Project mention: Features of Project Loom incorporated in Java 21 | news.ycombinator.com | 2023-08-15

Not sure about now but a few years back the company I worked for was heavily vested in Finagle [1] using Future pools. I'm sure virtual threads would only enhance this framework. Also, Spring and it's reactive webflux would probably benefit as well [2].
[1] https://twitter.github.io/finagle/
[2] https://docs.spring.io/spring-framework/reference/web/webflu...

Finatra

1 2,268 5.8 Scala

Fast, testable, Scala services built on TwitterServer and Finagle
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
kyuubi

1 1,928 9.8 Scala

Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses.
Scrooge

0 788 5.1 Scala

A Thrift parser/generator

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).