Async & concurrency
Async I/O, promises, coroutines and reactive streams. 89 packages across 8 ecosystems.
Gogo.uber.org/atomicWrapper types for sync/atomic which enforce atomic accessMITGogolang.org/x/sync[mirror] concurrency primitivesBSD-3-ClauseGogithub.com/modern-go/concurrentconcurrency utilitiesApache-2.0