There are 5 repositories under concurrency-library topic.
Concurrency utilities for Swift
A complete set of primitives for concurrency and reactive programming on Swift
Lock free hierarchical work scheduler
Non-blocking hash map in Rust
A header-only C++ library that allows easily creating thread-safe, concurrency friendly resources.
A concurrency toolbox for c++11, including a cached thread pool executor, a shared timed mutex, a fair semaphore and several other utilities.
Promise library for java.You can do the same thing with JavaScript's Promise in java! Concurrent library.
Generic PHP threads library implemented with pure PHP code
Concurrency agnostic socket with semantics
Utilizing the Twillio API to be able to send messages to a collection of individuals concurrently.
Advanced library
goroutine c version
A C++17 implementation of a deferred thread scheduler
Simple Concurrency Library with Coroutine Dispatch Queue
Specialised executors for the JVM (mainly Java and Kotlin, but also Scala)
Fast condition variables for posix