In software engineering, a web application—sometimes called a web app or webapp and much less frequently a weblication—is an application that's accessed with a web browser over a network such as the Internet or an intranet. Web applications are popular due to the ubiquity of the browser as a client, sometimes called a thin client. The ability to update and maintain web applications without distributing and installing software on potentially thousands of client computers is a key reason for their popularity. Web applications are used to implement webmail, online retail sales, online auctions, wikis, discussion boards, weblogs, MMORPGs and many other functions.
In contrast, web applications dynamically generate a series of web pages in a standard format supported by common browsers such as HTML/XHTML. Client-side scripting in a standard language such as JavaScript is commonly included to add dynamic elements to the user interface. Generally, each individual web page is delivered to the client as a static document, but the sequence of pages can provide an interactive experience, as user input is returned through web form elements embedded in the page markup. During the session, the web browser interprets and displays the pages, and acts as the universal client for any web application.
More on [ Web application ]
Web Applications :: On the Web
Engineering :: Web Applications

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Hazop Risk Analysis Tool - Servlet-based Risk Analysis Tool. (Java,MySQL)
Achievo - A web-based project management tool. (PHP)
Meta Description: [ Achievo is a flexible web-based project management tool for business-environments. Achievo's project management and resource management capabilities will enable organisations to support their business processes in a simple, but effective manner. ]
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Bookmarker - A web-based application for managing bookmarks. It allows multiple users to list, search, maintain, and create bookmarks. (PHP)
Coppermine - Multi-lingual photo gallery suite. (PHP) [OS Independent]
Meta Description: [ Coppermine Photo Gallery project - Coppermine is an easily set-up, fast, feature-rich photo gallery script with mySQL database, user management, private galleries, automatic thumbnail creation, ecard feature and a template system for easy customization to match the rest of a site. ]
Douglas Thrift's Search Engine - A search engine for use on small websites. (C++, Perl) [Windows, Linux, FreeBSD, Unix]
Meta Description: [ My search engine CGI program. ]
ePoll - ePoll is server side polling software that enables polls to be set up and administered. (Java)
Meta Description: [ Open standards based web polling software, Apache Style Open Source ]
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Eval - Web and email based survey tool. (C) [GNU/Linux, Unix]
File Editing and Listing In PHP (FELIP) - Web application that allows editing of text files on a web server through a web browser. (PHP)
Gedafe - The Generic Database Frontend is a web-based database frontend for PostgreSQL that is database-application independent. (Perl)
Globe*Trotter - Geographic guestbook where visitors can place messages and comments directly on a map. Requires PHP MySQL. (PHP,JavaScript) [Windows, Unix]
GNU.FREE - An Internet voting system. (Java)
Meta Description: [ jason kitcat, e-voting, voting and e-democracy ]
Group-Office - Groupware suite containing a base system and different modules including scheduler, email, file and projects. (PHP)
Meta Description: [ welcome group-office homepage 30 download professional support contract hosted solution ]
Horde Project - Web applications including webmail. (mainly PHP)
ILIAS - A platform for Web-based training, developed at the University of Cologne/Germany. (PHP4)
IP to Country - Translates IP addresses into country names. (PHP) [OS Independent]
Leafwa - A web-based administration package for the Leafnode news server. (PHP)
Multi Router Traffic Grapher (MRTG) - Tool to monitor the traffic load on network-links using UDP and SNMP. Provides information on licensing, development, usage, and credits. (Perl)
MySQL Web-based Chat - MWChat is a Web-based chat system. (PHP4)
NET-SNMP Project - Open source SNMP implementation features news, frequently asked questions, bugs list, patches available, documentation and tutorial, and mailing lists. (C, Perl) [Windows]
Meta Description: [ Net-SNMP ]
NewsViking - Script to collect news articles into a weekly digest. Uses MySQL or MS SQL. (Perl)
Meta Description: [ world, international, us, local and breaking news article harvester Newsviking is a free Opensource program for any operating system for harvesting articles for private viewing. compile weekly digest of news. Please make sure to delete stories after reading per copyright laws in your country. ]
Newswriter 2005 - PHP NewsScript - Administrate and publish news sections for websites, without using a database. (PHP)
Meta Description: [ The easy way to write, administrate, illustrate and to show news on websites without database. Newswriter - PHP NewsScript - News administration Software ]
Open source mailing list manager - PHPlist is a web application that implements a personalised mailing list manager or customer relationship management (CRM) system. (PHP, SQL)
Open WebMail - A webmail system designed to manage very large mail folder files in a memory efficient way. (Perl) [GNU/Linux, Unix]
Meta Description: [ Open WebMail ]
OpenBiblio - Automated library system with OPAC, circulation, cataloging, and staff administration functionality. (PHP)
OpenEFM - An electronic filing manager designed to be used by courts and governmental agencies, to allow the transfer of information in Legal XML. (Java) [Linux/Unix/Cygwin]
Meta Description: [ counterclaim's openEFM, An open source electronic filing manager designed for courts, governments, and the general filing of XML documents. ]
Owl Intranet Engine - A multi-user knowledgebase system for publishing files/documents onto the web. (PHP) [OS Independent]
Meta Description: [ Owl is a multi user document repository (knowledgebase) system for publishing files/documents onto the web for a corporation, small business, group of people, or just for yourself. ]
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PHPCatalog - A simple e-catalogue system. Customisable using add-on modules. Works with MySQL, PostgreSQL and Oracle. (PHP)
Meta Description: [ Powerful, customizable and expandable e-catalog engine ]
phpShop - An opensource PHP-based application serving solution. Comes bundles with an e-Commerce software for building online stores.
Ringlink - Information and download page for Ringlink, an open source CGI Perl program that provides the tools necessary to build and run rings of websites.
Meta Description: [ Free CGI Perl program for running webrings ]
SendMail Network - The site provides information, and community for the users of open source sendmail software.
Meta Description: [ Driven by the industry's most powerful policy engine, Sendmail technology provides protection where 80% of security and compliance violations occur - inbound and outbound messaging. ]
SharpWebMail - A WebMail application that's designed to work with a POP3 server as mailstore, and a SMTP server for sending mail. (ASP.NET, C#)
Simple Browser Proxy - A browser-based proxy server that allows some degree of anonymitiy whilst brosing the World Wide Web. (PHP)
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Small Object Directory Architecture - An object orientated configuration directory. (PHP) [OS Independent]
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SourceWell - A software announcement and retrieval system written entirely in PHP3 using a MySQL database. (PHP)
SqWebMail - Small web CGI application that provides webmail access to maildirs. (C, Perl) [GNU/Linux, Unix]
SSID : Wlanscape - Open source software-tool collecting and visualizing the expansion, signal-strength, and status information of wireless networks, including location based services.
uniLETIM - Online Transaction and announcing processing for community exchange groups such as LETS or TimeBank. (PHP/MySQL)
Meta Description: [ open-source web-based tool for LETS & TimeBank announcing and accounting system written in PHP/MySQL ]
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