The Meeting Room Booking System (MRBS) is a PHP/MySQL-based Web application for booking meeting rooms. It uses 'areas' to group rooms, and rooms within each area are shown side-by-side.

Open source customer care and billing software that can be used in many different service industries, including internet service, subscriptions, consulting, and telecommunications.

• Provides CRM, Ticketing, Invoicing, and Credit Card Batches
• No Limits on your number of Users or Customers
• No Limits to your Service Types and Attributes
• Securely store card data with industry standard OpenPGP
• Avoid Cloud Data and Payment Processor Lock-In

Diplomacy is a turn based strategy game in which you battle to control Europe; to win you must be diplomatic and strategic. webDiplomacy lets you play Diplomacy online.

A web-based project management tool for workgroups. Encourage groups and individuals to work collaboratively. This tool aims to be functional and elegant without being complicated or graphically intensive. The software is ideally suited to tracking multiple projects and innumerable small tasks across an organisation of any size. If you have reminder notes stuck all over your desk, then you need WebCollab!

Highly customizable project management environment, capable of simultaneously managing several projects. It is a Web-based project management and collaboration support system based on JCorporate Expresso framework.

Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database.

Redmine is open source and released under the terms of the GNU General Public License v2 (GPL).

Gelato CMS  is a open source Tumblr clone which has the same features as Tumblr. You can easily download and install Gelato CMS on your own web servers and start tumbling. Gelato also supports themes and plugins.

sabros.us is a system to organize the bookmarks added to your web. Same as de.icio.us, you can manage your bookmars, but with sabros.us you can do it in your own web page. sabros.us project is 'Open Source' (you can use and change the original code freely) and runs with PHP and MySQL.

 

 

TomatoCart is an open source e-commerce application supports selling any type of item from simple products to digital goods and service, It is branched from the popular osCommerce to offer a better experience. TomatoCart is multilingual, being improved frequently and definitely worth checking out.

a Social Networking Script as same as Tumblr.com, allow anyone can share anything to anyone, such as: Image, Video Clip from YouTube.Com, Music track from NhacCuaTui.Com, Flash,... and more , friend connect to get anything from your friends on LoanTin.Com. Loantiner is an open source project which developed by KNV Group - Vietnam, started in 10/2009. We shared this source code to help students of IT, new programmers,.... in order to learn and how to know to build a social networking website. Loantiner's source code was built based on .NET Framework 2.0, Database by SQL Server 2000 and used Mootools javascript Framework.

Sweetter is opensource software. Powered by Django Sweetter is an opensource modular microblogging system. Its goal is to provide a customizable communication system for communities, departments or enterprises. Sweetter is opensource software: you can use it, study it, modify it and distribute it under the Affero GPL license terms.

SocialScapes (formerly Monitter for DNN) allows you to easily display a real-time feed of twitter search results on your website. This is a great solution for tracking conferences or technologies where a keyword search can find all relevant Twitter posts.

Sueetie starts with the very best social networking applications in the business--BlogEngine.NET, Gallery Server Pro, ScrewTurn Wiki and YetAnotherForum.NET. Then we add centralized membership, theming, SEO, groups and more to give you the ability to create your own online community. Here's our latest

Digg open source clone script.