JVM Monitor is a Java profiler integrated with Eclipse to monitor CPU, threads and memory usage of Java applications. JVM Monitor would be useful to quickly inspect Java applications without preparing any launch configuration beforehand. JVM Monitor automatically finds the running JVMs on local host and you can easily start monitoring them. It is also supported to monitor Java applications on remote host by giving hostname and port number.


JVM Monitor - Java profiler integrated with Eclipse

Archimedes is a free and open source CAD (Computer Aided Design) software. It is a robust system built over Eclipse's Rich Client Platform fully based on plug ins. This means it is easily extensible but also has a pretty thin core that allows you to select the features you need and drop the other ones easily. 

Archimedes: The open CAD

The Paho project has been created to provide scalable open-source implementations of open and standard messaging protocols aimed at new, exisiting, and emerging applications for Machine-to-Machine (M2M) and Internet of Things (IoT). Paho initially started with MQTT publish/subscribe client implementations for use on embedded platforms. 

Paho - Open Source Implementation of Machine?to?Machine (M2M) protocol

"Simulation of Urban MObility" (SUMO) is an open source, highly portable, microscopic traffic simulation package designed to handle large road networks and different modes of transport. It is mainly developed by employees of the Institute of Transportation Systems at the German Aerospace Center. It allows for intermodal simulation including pedestrians and comes with a large set of tools for scenario creation.
 
SUMO allows modelling and analyzing intermodal traffic systems, including road vehicles, public transport, cargo logistics and pedestrians. Included with SUMO is a wealth of supporting tools, which handle tasks like route finding, visualization, network import and emission calculation. SUMO can be enhanced with custom models and it provides various APIs to remotely control and influence the simulation.
 
Traffic simulations facilitate the evaluation of infrastructure changes as well as policy changes before implementing them on the road. For example, the effectiveness of environmental zones or traffic light control algorithms can be tested and optimized in a simulation before being deployed in the real world.

"Simulation of Urban MObility" (SUMO) is an open source, highly portable, microscopic traffic simulation package designed to handle large road networks and different modes of transport. It is mainly developed by employees of the Institute of Transportation Systems at the German Aerospace Center. It allows for intermodal simulation including pedestrians and comes with a large set of tools for scenario creation.

SUMO - Simulation of Urban Mobility

Eclipse Collections is a collections framework for Java. It has JDK-compatible List, Set and Map implementations with a rich API, additional types not found in the JDK like Bags, Multimaps, and set of utility classes that work with any JDK compatible Collections, Arrays, Maps, or Strings. The iteration protocol was inspired by the Smalltalk collection framework. It maximizes the power of Java 8 Lambda expressions and method references with rich APIs directly available on your collections. 

Eclipse Collections - Best Java Collection Framework 

The open Home Automation Bus (openHAB) project aims at providing a universal integration platform for all things around home automation.  It is an open-source solution based on the Eclipse SmartHome framework. openHAB brings together different bus systems, hardware devices and interface protocols by dedicated bindings. These bindings send and receive commands and status updates on the openHAB event bus. 



Openhab - The OSGi-based Open Home Automation Bus

The Grizzly NIO framework has been designed to help developers to take advantage of the Java NIO API. Grizzlys goal is to help developers to build scalable and robust servers using NIO as well as offering extended framework components: Web Framework (HTTP/S), WebSocket, Comet, and more!

Grizzly - NIO Event Development in Java

H2 database is very fast, open source database engine. 
 It supports : 
 <UL>
	<LI>It supports SQL and JDBC standards</LI>
	<LI>Encrypted database</LI> 
	<LI>Security and Authentication</LI>
	<LI>Multiple index types (b-tree, tree, hash)</LI> 
	<LI>Contains a recovery tool that can dump the contents of the database</LI> 
	<LI>Clustering</LI>
	<LI>Full text search</LI>
	<LI>Temporary Tables</LI> 
	<LI>User-Defined Datatypes</LI>
 </UL>

H2 database is very fast, open source database engine. It supports SQL and JDBC standards. It can run in Embedded and Server mode and it has clustering support.  


H2 Database - Java based Database Engine

Applications that collect data from RSS-compliant sites are called RSS readers or "aggregators." RSSOwl is such an application. RSSOwl lets you gather, organize, update, and store information from any compliant source in a convenient, easy to use interface, save selected information in various formats for offline viewing and sharing, and much more. It's easy to configure and the best of all: It's platform-independent. Its feature include
 <UL>
	<LI>Display news feeds side by side in multiple tabs</LI>
	<LI>Use the embedded Browser to open the full content of a news entry from the originating web site</LI>
	<LI>Enable the grouping mode to group a list of news entries</LI>
	<LI>Save your search</LI>
	<LI>You can create any number of News Bins to store news</LI>
	<LI>Use Labels to associate keywords with news entries</LI>
	<LI>Powerful search engine to search the feeds</LI>
	<LI>Support to Import and Export feeds</LI>
	<LI>Supports BASIC, DIGEST and NTLM authentication for protected feeds</LI>
 </UL>

Applications that collect data from RSS-compliant sites are called RSS readers or "aggregators." RSSOwl is such an application. RSSOwl lets you gather, organize, update, and store information from any compliant source in a convenient, easy to use interface, save selected information in various formats for offline viewing and sharing, and much more. It's easy to configure and the best of all: It's platform-independent.

RSSOwl

Aptana Studio harnesses the flexibility of Eclipse and focuses it into a powerful web development engine. It helps to build web applications quickly and easily. It could be downloaded as Eclipse plugin or standalone. It supports popular JavaScript libraries and frameworks such as jQuery, prototype, scriptaculous, Ext JS and more. It supports Java, Python, PHP, Ruby based development. It has all features required for an IDE like file / project browser, Debugger, Code assit, Code Search and lot more. <img src="/AppImages/Article/aptana-img1.jpg" alt="" class="float-center">

Aptana Studio harnesses the flexibility of Eclipse and focuses it into a powerful web development engine. It helps to build web applications quickly and easily. It could be downloaded as Eclipse plugin or standalone.

Aptana - Web development IDE

Mollify is a web file manager for publishing and managing files hosted in a web server. Users can have access to different files and with different permissions. It has support to Search files, Extract zip archives, File uploading (large files are uploaded in small chunks), WebDAV support. It has file preview support for file formats like flv, mp3, gif, png, jpg, pdf, doc, xls, html, xml, js, cs etc. User could do self registration and publish his documents. Each user and group could use different folders and it is fully configurable without revealing underlying file system. Source code: <A HREF="http://code.google.com/p/mollify/" target="_blank">http://code.google.com/p/mollify/</A>
 <img src="/AppImages/Article/mollify-img1.png" alt="" class="float-center">

Mollify is a web file manager for publishing and managing files hosted in a web server. Users can have access to different files and with different permissions. It has support to Search files, Extract zip archives, File uploading (large files are uploaded in small chunks), WebDAV support and lot more. 

Mollify - Web File Manager

SpeakRight is an Java framework for writing speech recognition applications in VoiceXML. Dynamic generation of VoiceXML is done using the popular StringTemplate templating framework. Although VoiceXML uses a similar web architecture as HTML, the needs of a speech app are very different. SpeakRight lives in application code layer, typically in a servlet. The SpeakRight runtime dynamically generates VoiceXML pages, one per HTTP request. 
 Applications are written in Java using SpeakRight's extensible classes.

SpeakRight is an Java framework for writing speech recognition applications in VoiceXML. Dynamic generation of VoiceXML is done using the popular StringTemplate templating framework. Although VoiceXML uses a similar web architecture as HTML, the needs of a speech app are very different. SpeakRight lives in application code layer, typically in a servlet. The SpeakRight runtime dynamically generates VoiceXML pages, one per HTTP request.

SpeakRight Framework - Helps to build Speech Recognition Applications

Riemann monitors distributed systems. It aggregates events from your servers and applications with a powerful stream processing language. Send an email for every exception raised by your code. Track the latency distribution of your web app. See the top processes on any host, by memory and CPU. Combine statistics from every Riak node in your cluster and forward to Graphite.


Riemann - Monitors Distributed Systems

Clojure is a dynamic programming language that targets the Java Virtual Machine (and the CLR, and JavaScript). It is designed to be a general-purpose language, combining the approachability and interactive development of a scripting language with an efficient and robust infrastructure for multithreaded programming. Clojure is a compiled language, it compiles directly to JVM bytecode, yet remains completely dynamic. 

Clojure - The Dynamic Programming Language

Jepsen is a Clojure library. A test is a Clojure program which uses the Jepsen library to set up a distributed system, run a bunch of operations against that system, and verify that the history of those operations makes sense. Jepsen has been used to verify everything from eventually-consistent commutative databases to linearizable coordination systems to distributed task schedulers. It can also generate graphs of performance and availability, helping you characterize how a system responds to different faults. 
A Jepsen test runs as a Clojure program on a control node. That program uses SSH to log into a bunch of db nodes, where it sets up the distributed system you're going to test using the test's pluggable os and db. 

Once the system is running, the control node spins up a set of logically single-threaded processes, each with its own client for the distributed system. A generator generates new operations for each process to perform. Processes then apply those operations to the system using their clients. The start and end of each operation is recorded in a history. While performing operations, a special nemesis process introduces faults into the system--also scheduled by the generator. 

Finally, the DB and OS are torn down. Jepsen uses a checker to analyze the test's history for correctness, and to generate reports, graphs, etc. The test, history, analysis, and any supplementary results are written to the filesystem under store/<test-name>/<date>/ for later review. Symlinks to the latest results are maintained at each level for convenience.

Jepsen is a Clojure library. A test is a Clojure program which uses the Jepsen library to set up a distributed system, run a bunch of operations against that system, and verify that the history of those operations makes sense. Jepsen has been used to verify everything from eventually-consistent commutative databases to linearizable coordination systems to distributed task schedulers. It can also generate graphs of performance and availability, helping you characterize how a system responds to different faults.

Jepsen - A framework for distributed systems verification, with fault injection

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