zio/zio+4ZIO — A type-safe, composable library for async and concurrent programming in Scalaasynchronicityasynchronousasynchronous-programmingconcurrency+11
SPSCQueue+6A bounded single-producer single-consumer wait-free and lock-free queue written in C++11concurrencyconcurrent-data-structurecppcpp11+4
dashmap+2Blazing fast concurrent HashMap for Rust.concurrentconcurrent-data-structureconcurrent-mapconcurrent-programming+3