Redisson - Redis Java client with features of In-Memory Data Grid. Supports over 30 objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Publish / Subscribe, Bloom filter, Spring Cache, Tomcat, Scheduler, JCache API, Hibernate, RPC.
Elastic-Job is a distributed scheduled job framework, based on Quartz and Zookeeper.
A reactive Java framework for building fault-tolerant distributed systems
Vert.x Blueprint Project - Vert.x Kue, a priority task queue powered by Vert.x
RedisQ - Java implementation of a reliable Pub/Sub message queue based on Redis
Java implementation of a lightweight distributed task scheduler based on Redis with support for Jedis, Lettuce and Spring Data Redis
A batch job queuing and execution service (Mesos framework)