Constructr is a fresh open source CMS application built with PHP & MySQL.

With an Ajaxed backend, this CMS application uses TinyMCE for content editing & supports clean URLs via mod_rewrite.

The admin interface has:

• Backend user & right management
• Asset center for uploads
• Integrated search engine for asset
• Automatic sync after FTP-uploads
• Automatic thumb´s for image-uploads
• Integrated shadowbox-viewer for assets
• Customizable backend language (Available: DE, EN, US, CH, AU)
• Live preview  for hidden pages and content

For the frontend:

• Cache system
• File based templates
• Multilingual frontend support
• Use a frontent that fits your special needs (pure PHP and MySQL, Smarty, Flash …)
• Individual 404 error page
• Automatic RSS 2.0-Feed for every single content

Like mentioned, this free content management system is still fresh but frequently updated & looks promising.

Liferay, with 60 tools and a selection of today’s most innovative technologies, enables you to do everything like:

• Creating websites.
• Building intranets.
• Simply getting the right documents and applications to the right people.

Liferay inlcudes web publishing, content management, collaboration and social networking.

With the role-based authorization, admins & users can define which information can be viewed by which users.

A strong set of community features help creating communities, user groups & they can have their own mini-portals.

Some other included features are: wikis, forums, instant messenger, calendar, webmail, blogs & more.

And, any other applications like accounting, sales can be integrated with its open architecture.

The application is “giant” with the features it offers & hard to describe its capabilities completely. Users interested in creating an enterprise portal should definitely check it.

Concrete5 is a very powerful & open source content management application which has a different approach in how it works.

It enables users to manage websites while browsing it by simply switching to the edit mode (an overlayed screen). This makes anyone who can use a text editing application administer their websites.

The application uses PHP / MySQL & built with OOP.

With a very easy to use interface, new pages can added, updated or deleted.

A simple yet effective user permission/role feature helps creating admins, editors & other types of users.

There is a built-in versioning system which simply saves the old versions of a page & who created/updated it.

The application supports templates / plugins & there is a community getting more active everyday to get support.

To see the beauty of the application, check this demo.

If you have been wanting a job board as seen on some of the popular blogs, then jobberBase might be the solution that will get you started. jobberBase is a free job listing software which is very suitable for creating a single-industry job board.

JobberBase Features:

• Post jobs without an account.
• Search for jobs.
• Apply to interesting jobs.
• Administration panel.
• RSS feeds.
• Site-widget to show jobs on other sites
• And much more…

jobberBase is an open source job board and requires PHP, MySQL to run. You can download it here. You can use it, free of charge, for anything you like (including commercial applications); but please keep the copyright and license remarks.

JonDesign’s SmoothSlideshow javascript gallery system allows you to have simple and smooth (cross-fading…) image galleries, slideshows, showcases and other cool stuff on your website by using mootools v1.11. This library open-source and free under GPL license. You can download it from here!

Unlike other systems out there, JonDesign’s SmoothGallery is designed from the ground up to be standard compliant: You can feed it from any document, using custom css selectors. And even better, this solutions is very lightweight: The javascript file is only 24kb.

Using a flash based solution, search engines won’t see your content nor links. While JonDesign’s SmoothSlideshow will resolve your this problem. There are alot of reasons that you may consider it instead of flash-based solutions. Here’s is the detailed featurelist you can see or let’s see the demo.

Scrollable is a flexible & lightweight (3.9kb) jQuery plugin for creating scrollable contents.

Any content (HTML, video, text..) can be used as a scrolling item. And, it supports vertical scrolling besides the standard horizontal scrolling which makes it very ideal, specially for news sites or portals to present the flash contents.

Other features of Scrollable are:

• Setting the number of visible items
• Mouse, arrow keys and mousewheel (requires mousewheel.js) support
• Programmatic actions: next, prev, nextPage, prevPage, seekTo, begin, end
• Know when list is scrolled with custom event listener

This jQuery plugin is built by the FlowPlayer team (see WRD post) and includes great examples (this & this) with FlowPlayer integration.

Grape is a simple open source web statistics application with a clean interface.

It can display several statistics information like:

• Visits (unique & total)
• Referrers
• OS of the visitors
• Spying on users
• & more

There is an admin interface which allows you to add new statistics tracking extensions.

Statistics are stored in a MySQL database & can be queried for any time interval.

Grape works both with PHP4 & PHP5 without an OS requirement.

The Vista-like Ajax Calendar (vlaCalendar) version 2 is a unobtrusive web version of the slick and profound Windows Vista taskbar calendar, by using the mootools javascript framework, AJAX, XHTML, CSS and PHP.

This Vista-like Ajax Calendar script is licensed under the Creative Commons Attribution- NonCommercial 3.0 License. You can use these files however you want, but don’t redistribute without the proper credits and do not use this for commercial purposes.

AlivePDF is an open-source ActionScript 3 (Flash, Flex, AIR) PDF generation library.
It allows you to generate PDF’s client-side.

You can find here some wonderful sample codes or click here to download.

AlivePDF is licensed under the MIT License. In other words, you can do whatever you want with it!

wTag is a shoutbox (chatbox or mini chat) that is written in JavaScript and PHP, and using Ajax to exchange data with the server without need to reload an entire page. It uses MySQL database as backend. Just take a look at demo here.

• Replace URLs catched in a message with clickable links.
• UTF-8 encoding for multilingual support.
• Compliance with XHTML 1.0 Transitional and CSS.
• Custom designs: it’s easy to change the chatbox look by editing the CSS files.
• A form validation and warnings display system