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GridSim allows modeling and simulation of entities in parallel and distributed computing systems such as users, applications, resources, and resource brokers/schedulers for design and evaluation of scheduling algorithms. http://www.gridbus.org/gridsim
OpenJCS (Job Control System) is a batch scheduling and control system for use on Unix systems which uses load balancing, dependency control, scheduling, runbooks, queueing and resource allocation subsystems for unmatched scalability and flexibility.
Elastica is a highly efficient and extensible, rules-based load-balancer for JBoss that adds dynamic behavior to EJB load balancing. Rules can be defined to redirect EJB requests according to request data, server performance data, or even the time of day
bocca is a text-based, scriptable, interactive development environment for SIDL/Babel-based development of mixed language C/C++/Fortran/Java/Python code. It manages source and build systems. Bocca automates creating SIDL/Babel code or CCA components.
Pythia is an open source highly scalable standards-based cache for Java. Pythia provides, lightning-fast speed, fail-safe operations, persistence, transactionality, dynamic scaling, out of Heap caching, extreme ease of use
Scarlet is an extension for Atlassian JIRA, the leading Enterprise issue tracking and management software, allowing easy clustering of JIRA application instances, ensuring both high availability and linear scalability.
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.
TripleF is a middleware for a Distributed File System, developed totally in Java. It allows highly availability, reliability and scalability to the system, through the data replication, resulting in system's highly fault tolerance.
Chordless is a Chord and DHash implementation written in java. It implements almost everything from Chord and DHash described at http://pdos.csail.mit.edu/chord/, as well as some extra features such as transactions and remote method invocation.
Jather aims to provide an easy to use library for clustered process execution in Java. This library aims to provide a simple API and allow applications to add clustering functionality with little change to the existing code.
Fura is a self-contained grid middleware that allows the grid enablement and distribution of applications on heterogeneous computational resources. Fura features a web-based GUI, wizard-guided installation and configuration, and Web Services compliance.
Sequoia is a database clustering middleware offering load balancing and transparent failover. Databases are replicated over multiple nodes and Sequoia balances the queries between them. Sequoia supports online maintenance and recovery operations.
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
Jgroup/ARM is a replication framework that supports group method invocations, hides replication from the clients, and partitioning in distributed systems. In addition, the replication management facility supports autonomous replica deployment and recovery
JaneySpaces is a network abstraction library based on a space of distributed objects. It is designed to fit with traditional Object Oriented designs and principles, and to be as unobtrusive as possible when it comes to the structure of your application.
Distributed event bus library for passing application events to listeners running anywhere on the network. Library is a lightweight wrapper over the JGroups toolkit with event filtering features.
Tomcat clustering, providing failover clustering, load balancing clustering, tomcat clustering. Including apache and tomcat web server. Need to copy and run on server.
ActiveGrid is an Enterprise Web 2.0 solution that allows the composition of code-free applications that comply with corporate IT standards. Technologies include Python, Java, XForm, Xpath, WSDL, CSS, XML Schema (XSD), XACML, and BPEL.
Command line tool that can view multiple log files remotely and blend them into a single output based on the appropriate dates within the log files themselves. Has cat and tail modes available. Support for multiple local/remote protocols
Gridder is a group of portlets that simplify the use and administration of grid services. Especially for job submission management. Gridder also extends and documents the functionality of the OGCE Bundle. It is plenty of useful documentation.