parallel
4.RxJava1,148 usages
io.reactivex.rxjava3 » rxjava Apache
Reactive Extensions for Java
Last Release on Sep 24, 2025
5.Awaitility4,800 usages
org.awaitility » awaitility Apache
A Java DSL for synchronizing asynchronous operations
Last Release on Feb 21, 2025
Core libraries for Apache Spark, a unified analytics engine for large-scale data processing.
Last Release on Jul 17, 2026
10.Vert.x Core2,062 usages
io.vertx » vertx-core Apache +1
The Vert.x core APIs contain the backbone for writing Vert.x applications and low-level support for HTTP, TCP, UDP, file system, asynchronous streams and many other building blocks.
Last Release on Aug 8, 2026