SAFMQ: Store and Forward Message Queue, message oriented middleware. Uses include Assured Async Messaging, SOA, Delayed/Batch, and Cluster/Grid Computing. The SAFMQ server provides cross platform communication among C++, PHP, Java, and .NET clients.
Acelet-Scheduler with SuperScheduler and SuperWatchdog is a Java task scheduler with daemon and GUI for system and application job scheduling, can schedule tasks in a distributed environment. Holiday adjustable. Works out-box. See http://www.acelet.com