Exhibit is a three-tier web application framework written in Javascript which makes it easier to show a few hundred records of data on maps, timelines, scatter plots, interactive tables, etc., without any programming knowledge.

In order to use Exhibit, writing a simple data file, and an HTML file that specifies how the data should be shown. Data + Presentation. That’s all.

Exhibit can be used as a web service like Google Maps without installing any software or source code can be downloaded to run it on your own web servers.

ProjectPier is an open source, self-hosted PHP project management application which helps connecting teams, organizing projects & tasks through a web interface.

It’s code is based on activeCollab, which was a popular free project management application & became paid later on.

ProjectPier has an active community which discusses about the software, creates themes & translations.

Some features of ProjectPier:

• Multi-client capability lets you manage projects of different clients simultanously
• 3-Level rights management:
  1. Administrator
  2. User of owner company
  3. User of client company
• Possibility to limit rights of client users per project
• Messages and task lists can be linked to milestones
• Versioning can be used to manage revisions of uploaded files.
• Tags can be used to categorize messages, tasks, milestones, and files
• Fulltext search per project covering messages, tasks, milestones, and files
• Privacy: Messages, tasks, milestones, files, and comments can be flagged as ‘private’, hiding sensitive information from clients

Similar to TinyURL, a short URL service can be created in minutes with Shorty.

Shorty is a PHP script for creating shorter, human readable links from long URLs.

A reason to prefer using Shorty for personal use rather than TinyURL or similar services may be eliminating the risk of these services becoming offline and losing your links, as you can use this free short URL script forever.

Shorty has an admin interface where links can be organized and clicking statistics can be viewed. You can even have a RSS for your links.

Making keyword & link analysis is the core of a succesful SEO process. Although search engines provide you the results of a keyword search, you can not reach the website link connections easily.

TouchGraph Google Browser is a web based tool which helps you to explore the connections between websites based on URLs or keywords (from Google search results) with an interactive visual interface.

Link analysis can be done really easily with this tool and it is very impressive to see a website’s importance for a keyword that clear.

Besides the Google Browser, TouchGraph also offers similar tools for Amazon and Facebook connection analysis.

Claros, which is a passionate team in creating open source software, has a beautiful software named Claros inTouch.

Clasor InTouch  is an ajax communication suite with key features such as webmail, address book, post-it notes, calendar (in progress), webdisk (in progress), built-in instant messenger and RSS reader. It is the first open source web application which features built in spam protection and instant messaging capabilities together with web 2.0 technologies.

It is built with Java, utilizes JSP/Servlets with the well known J2EE technologies & uses MySQL database.

Claros inTouch is more than a free webmail software with a slick interface & usability.

It is offered under GNU which makes this communication suite software totally free.

Open source ASP.NET softwares are hard to find as, compared to our labguages, there are only few of them.

dashCommerce is an open source e-commerce software developed with ASP.NET & using Microsoft SQL Server 2005 for storing data.

dashCommerce has a functional interface which lets you navigate through the products with unlimited sub-menus or browse the products by price.

This shopping cart software also offers commercial versions which includes support for the product.

Features:

Inventory Control

• Per Product Inventory
• Per Product Option / Attribute Combination Inventory
• Quick and Easy Inventory Management

Checkout / Order Management

• Order Messages / Email Notifications
• Configurable Tax Rates
• SSL based checkout
• Order Status Change Email Notifications for Customers
• Shipping Tracking
• Drop-In Configurable Tax Providers
• Drop-In Configurable Shipping Providers
• Drop-In Configurable Payment Providers
• Drop-In Configurable Coupon Providers
• Configurable Handling Fees

Supported Providers

• PayPal
• SimpleWeight Shipping Provider
• RegionCode Tax Provider
• Mettle Systems Tax Provider (Real Time, tax tables are updated monthly)*
• USPS (Real Time)*
• UPS (Real Time)*

Other Features

• Content Management
• Extensive Site Settings
• Widgets
• Drop-In Themes / CSS
• Fully Localizable

PureEdit is a content management system specially for developers who create the front-end of the website themselves and need a flexible CMS software.

PureEdit lets you control the databases that you created with a nice looking CMS interface without any coding. It simply lets you create, edit or delete data with database. Compared to many other CMS softwares, you don’t need to adapt to the CMS software, PureEdit adapts to you.

The beauty of PureEdit comes with the clever interface that understands whether the database column will be shown as a file upload, text editor, date, etc..  By naming the columns with  _txt, _file, _date (ex: post_date) PureEdit gets that this will be a date value and shows this data as a date view.

To see the power of PureEdit, check the screencasts.

Trellis Desk is a powerful, feature-rich & free help desk software which helps increasing the quality of support given to the customers.

Customers can easily create an account, submit tickets via the web interface or e-mail and the support team can manage the support tickets in a very organized interface.

This free help desk software can cover all your support system with the features like:

• Ticket departments
• Canned ticket responses
• Ticket escalation and assignment
• Built-in knowledgebase
• E-mail piping
• Email notifications
• Multi-moderation features
• Ticket attachment system
• Skin management system

Collabtive is a free PHP project management software with a Web 2.0 looking, ajaxed interface.

The software is still in the beta phase but it already has the features like:

• Projects, Milestones, Taskslists, Tasks
• User management
• Message system
• Integrated instant messenger
• Multilingual
• Template system

Activecollab was one of the most popular free project management softwares that became a paid solution after sometime. If you are looking for an alternative which will run on your servers & have an open source code, take a look at Collabtive.

There are some nice upcoming features like a flash progress meter for the projects.

SilverStripe is a powerful content management system which runs on Sapphire framework (object oriented framework like Ruby on Rails or Django).

The framework lets you rapidly code up the "objects" your project uses (e.g. staff members, products, customers, along with their relationships). You then add a few lines of code and find SilverStripe has automatically added tables and columns to the database, let you use them in your website templates, and has added new "page types" and fields into the CMS for the content editor to utilise.

Some features:

• Simple: Intuitive and user-friendly
• Flexible coding framework
• Scalable: From 1 page to a million
• Standards Compliant: Fully XHTML compliant
• Modular
• Template Freedom: No restrictions on the look and feel of your site
• Open source
• Cross platform easy to install (PHP based)
• Supported

One of the best things about SilverStripe CMS is the active community behind it. You can easily find support from users.

There are some very useful modules developed for this content management system including a blog module, forum module & an e-commerce module.