Cluster101 allows you to run software on many hosts and perform a simple task scheduling. No need to install any software on the hosts (it just runs tasks via ssh). It is typically used for running scientific applications on University campuses.
Creation of workflows that will be executed on clusters. Must be able to easily create task sequences (like Automator) and to exchange data with the cluster. Monitoring may be web-based.
Acelet-Scheduler with SuperScheduler and SuperWatchdog is a Javatask 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
Java package containing architecture to distribute CPU intensive processing tasks across the internet. A generic client will be capable of running any task the server provides it, automatically updating the code it runs.
It's a modern take on desktop management that can be scaled as per organizational needs.
Desktop Central is a unified endpoint management (UEM) solution that helps in managing servers, laptops, desktops, smartphones, and tablets from a central location.
JCGrid is an easy-to-use tools for real-world grid-computing. It requires only to install Java Runtime and you can easy split your cpu-intensive task among several Workstations/PC/Mac/etc. It includes support for POVRay and MandelGrid as usage examples.