JForum is a powerful and robust discussion board system implemented in Java. It provides an attractive interface, an efficient forum engine, an easy to use administrative panel, an advanced permission control system and much more. Built from the ground up around a MVC framework, it can be deployed on any servlet container or Application Server, such as Tomcat, Resin and JBoss. Its clean design and implementation make JForum easy to customize and extend. It is fast ans scalable. JForum caches frequently accessed data to avoid excessive querying of the database. 

 Its features include: 
 <UL>
	<LI>Easy installation through graphical web interface</LI>
	<LI>Unlimited forums, categories, and topics.</LI>
	<LI>Support for several popular databases, including MySQL, PostgreSQL, Oracle and HSQLDB.</LI> 
	<LI>Karma - Rate messages and users.</LI> 
	<LI>Bookmarks.</LI> 
	<LI>Easy migration from phpBB.</LI> 
	<LI>Friendly URLs.</LI>
	<LI>Listing of currently online users.</LI>
	<LI>RSS syndication.</LI>
	<LI>Email notifications for topics on private messages.</LI> 
	<LI>Integrated private message system.</LI> 
	<LI>Topics can be locked/unlocked and moved between forums.</LI>
	<LI>Robust security system.</LI> 
	<LI>Supports individual themes/templates for users.</LI> 
	<LI>Support for different languages; easy to add new languages.</LI>
	<LI>User and Group management.</LI>
 </UL>

JForum is a powerful and robust discussion board system implemented in Java. It provides an attractive interface, an efficient forum engine, an easy to use administrative panel, an advanced permission control system and much more.

JForum

Kannel is an open source WAP gateway. It attempts to provide this essential part of the WAP infrastructure freely to everyone so that the market potential for WAP services, both from wireless operators and specialized service providers, will be realized as efficiently as possible. Kannel also works as an SMS gateway for GSM networks. Almost all GSM phones can send and receive SMS messages, so this is a way to serve many more clients than just those using a new WAP phone.

Kannel is a compact and very powerful open source WAP and SMS gateway, used widely across the globe both for serving trillions of short messages (SMS), WAP Push service indications and mobile internet connectivity.

Kannel - WAP and SMS gateway

The Visualization Toolkit (VTK) is an open-source, freely available software system for 3D computer graphics, image processing and visualization. VTK supports a wide variety of visualization algorithms including: scalar, vector, tensor, texture, and volumetric methods; and advanced modeling techniques such as: implicit modeling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay triangulation. VTK has an extensive information visualization framework, has a suite of 3D interaction widgets, supports parallel processing, and integrates with various databases on GUI toolkits such as Qt and Tk.

The Visualization Toolkit (VTK) is an open-source, freely available software system for 3D computer graphics, image processing and visualization. VTK supports a wide variety of visualization algorithms including: scalar, vector, tensor, texture, and volumetric methods; and advanced modeling techniques such as: implicit modeling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay triangulation.

Visualization Toolkit

ITK is an open-source, cross-platform system that provides developers with an extensive suite of software tools for image analysis. Developed through extreme programming methodologies, ITK employs leading-edge algorithms for registering and segmenting multidimensional data. Segmentation is the process of identifying and classifying data found in a digitally sampled representation. Typically the sampled representation is an image acquired from such medical instrumentation as CT or MRI scanners. Registration is the task of aligning or developing correspondences between data. For example, in the medical environment, a CT scan may be aligned with a MRI scan in order to combine the information contained in both. 
 
 The goals for ITK include: 
 <UL>
	<LI>Supporting the Visible Human Project.</LI>
	<LI>Establishing a foundation for future research.</LI>
	<LI>Creating a repository of fundamental algorithms.</LI>
	<LI>Developing a platform for advanced product development.</LI>
	<LI>Support commercial application of the technology.</LI>
	<LI>Create conventions for future work.</LI>
	<LI>Grow a self-sustaining community of software users and developers.</LI>
 </UL>

ITK is an open-source, cross-platform system that provides developers with an extensive suite of software tools for image analysis.  Developed through extreme programming methodologies, ITK employs leading-edge algorithms for registering and segmenting multidimensional data.

Insight Segmentation and Registration Toolkit

Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page. Its features include:
 <UL>
	<LI>Inspect and edit HTML</LI>
	<LI>Tweak CSS to perfection</LI>
	<LI>Visualize CSS metrics</LI>
	<LI>Monitor network activity</LI>
	<LI>Debug and profile JavaScript</LI>
	<LI>Quickly find errors</LI>
	<LI>Explore the DOM</LI>
	<LI>Execute JavaScript on the fly</LI>
	<LI>Logging for JavaScript</LI>
 </UL>

Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.

Firebug - Web Development Evolved.

LiveGraph is a framework for real-time data visualisation, analysis and logging. It has a real time plotter that can automatically update graphs of your data while it is still being computed by your application. LiveGraph reads files in a simple CSV-style format. For applications developed in Java, LiveGraph additionally provides an API that handles all data logging and persistency issues. LiveGraph uses only very few computational resources for the updates as it is has specialised caching techniques. Transformation of data series between Linear, logarithm, unit interval, and time-plot transformations are supported.

LiveGraph is a framework for real-time data visualisation, analysis and logging. It has a real time plotter that can automatically update graphs of your data while it is still being computed by your application. LiveGraph reads files in a simple CSV-style format. For applications developed in Java, LiveGraph additionally provides an API that handles all data logging and persistency issues.

Live Graph - Plot and explore your data in real-time

SciPy (pronounced "Sigh Pie") is open-source software for mathematics, science, and engineering. The SciPy library is built to work with NumPy arrays, and provides many user-friendly and efficient numerical routines such as routines for numerical integration and optimization. SciPy provides modules for Statistics, Optimization, Numerical integration, Linear algebra, Fourier transforms, Signal processing, Image processing, ODE solvers. 
 Sourceforge location: <A HREF="http://sourceforge.net/projects/scipy/" target="_blank">http://sourceforge.net/projects/scipy/</A>

SciPy (pronounced "Sigh Pie") is open-source software for mathematics, science, and engineering. The SciPy library is built to work with NumPy arrays, and provides many user-friendly and efficient numerical routines such as routines for numerical integration and optimization.

SciPy - software for Mathematics, Science, and Engineering

CruiseControl is both a continuous integration tool and an extensible framework for creating a custom continuous build process. It includes dozens of plugins for a variety of source controls, build technologies, and notifications schemes including email and instant messaging. A web interface provides details of the current and previous builds.
 <img src="/AppImages/Article/crusiecontrol-img1.jpg" alt="" class="float-center">

CruiseControl is both a continuous integration tool and an extensible framework for creating a custom continuous build process. It includes dozens of plugins for a variety of source controls, build technologies, and notifications schemes including email and instant messaging. A web interface provides details of the current and previous builds.

CruiseControl - Continuous Integration Tool to automate build process

Mapstraction is a library that provides a common API for various javascript mapping APIs to enable switching from one to another as smoothly as possible. Developers can code their applications once, and then easily switch mapping provider based on project needs, terms and conditions, and new functionality.
 
It currently supports Cartociudad, Cloudmade, GeoCommons, Google Maps & Google Earth,
Leaflet, MapQuest, Microsoft, OpenLayers, OpenSpace, Ovi, Yahoo and Yandex.

Mapstraction is a library that provides a common API for various javascript mapping APIs to enable switching from one to another as smoothly as possible. Developers can code their applications once, and then easily switch mapping provider based on project needs, terms and conditions, and new functionality.

Mapstraction - A Javascript Mapping Abstraction library

A fresh approach to FIX (Financial Information eXchange Protocol). Statically compile your FIX xml schema and quickly build your FIX application on top. With low latency performance in mind, this framework is designed to streamline the development of custom FIX interfaces. Using one of the standard FIX schemas you can have a FIX client or server up and running very quickly. 
 
Fix8 is a complete framework with a compiler and run-time library. Includes client/server session and connection classes; support for the standard FIX field types; FIX printer and async logger. Fix8 offers run-time custom fields and message recycling. Incorporates lock free queues, atomics and many other modern techniques. Since all the FIX message and field metatdata is statically compiled (with the exception of run-time custom fields), Fix8 may be suitable for embedded FIX applications. Fix8 currently supports FIX 4.0 to FIX 4.4, FIX 5.X and FIXT1.X.

A fresh approach to FIX (Financial Information eXchange Protocol). Statically compile your FIX xml schema and quickly build your FIX application on top. With low latency performance in mind, this framework is designed to streamline the development of custom FIX interfaces. Using one of the standard FIX schemas you can have a FIX client or server up and running very quickly. 

Fix8 - FIX (Financial Information eXchange Protocol) Framework 

LZ4 is a very fast lossless compression based on well-known LZ77 (Lempel-Ziv) algorithm, providing compression speed at 300 MB/s per core, scalable with multi-cores CPU. It also features an extremely fast decoder, with speeds up and beyond 1GB/s per core, typically reaching RAM speed limits on multi-core systems. 

Lz4 - Extremely Fast Compression algorithm

PostgreSQL is a powerful, open source object-relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. It is fully ACID compliant, has full support for foreign keys, joins, views, triggers, and stored procedures (in multiple languages). It has native programming interfaces for most of the programming language. 

 An enterprise class database, PostgreSQL boasts sophisticated features such as Multi-Version Concurrency Control (MVCC), point in time recovery, tablespaces, asynchronous replication, nested transactions (savepoints), online/hot backups, a sophisticated query planner/optimizer, and write ahead logging for fault tolerance.

PostgreSQL is a powerful, open source object-relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. It is fully ACID compliant, has full support for foreign keys, joins, views, triggers, and stored procedures (in multiple languages). It has native programming interfaces for most of the programming language.

PostgreSQL -  Powerful, Open Source Object-Relational Database System

CUBRID is a relational database management system highly optimized for Web Applications, especially when complex web services process large amount of data and generate huge concurrent requests. CUBRID is being developed in C/C++. Includes HA, online incremental backup, Replication, Load balancing, Sharding, Caching and other features. It supports JDBC, PHP, ODBC/.NET, Ruby & Python APIs.

CUBRID - RDBMS Optimized for Web

Varnish Cache is a web application accelerator also known as a caching HTTP reverse proxy. You install it in front of any server that speaks HTTP and configure it to cache the contents. Varnish Cache is really, really fast. It typically speeds up delivery with a factor of 300 - 1000x, depending on your architecture. 

Varnish - Web Application Accelerator.

TCPDump, a powerful command-line packet analyzer; and libpcap, a portable C/C++ library for network traffic capture. It prints out a description of the contents of packets on a network interface that match the boolean expression. The Packet Capture library provides a high level interface to packet capture systems. All packets on the network, even those destined for other hosts, are accessible through this mechanism.   

TCPDump -  Network Packet Analyzer

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