MySpace is sharing an open source project named MySpace’s Performance Tracker which is an Internet Explorer plugin for capturing and measuring possible bottlenecks on webpages.

The plugin is a great helper to developers for:

• measure the CPU hit and memory footprint of your pages
• reviewing screenshots of the page while it renders
• reviewing rendered HTML on each point of the page’s lifecycle
• viewing estimates of the time it takes to render each section of the page in different connection speeds
• validating the content of pages against a set of proven “best practice” rules of web development. 

P.S. The tool is currently in pre-alpha state.

MyTableGrid is a JavaScript-powered datagrid control, built with Prototype, for displaying data in an easy-to-browse & flexible way.

It offers an Ajaxed interface with pretty fast paging & data-sorting.

Columns can be resized & any columns can be easily removed for a better view of data.

MyTableGrid allows browsing via keyboard (with the help of KeyTable library).

It supports instant editing of cells & complete skinning via CSS.

jQuery Impromptu, a jQuery pugin, is offering a chic replacement for alert, prompt, and confirm dialogs.

Although it is not an alternative for modal windows, it can display any HTML content, supports sequential messages & more.

The plugin comes with a bunch of options for maximum customization like:

• loaded, callback & submit functions to step in every point
• changing prompt & overlay speeds
• using different animations on prompt windows 6 more

The look/feel of the message boxes can be updated easily via CSS & various examples are provided on theming.

BlueTrip is a CSS framework which aims to combine:

• the best parts of BluePrint & Tripoli frameworks
• Hartija’s print stylesheet
• 960.gs’s simplicity
• Elements’ icons

to provide you a sensible set of styles and a common way to build a website so that you can get right to designing.

Some features of BlueTrip:

• 24-column grid
• sensible typography styles
• clean form styles
• a print stylesheet
• an empty starter stylesheet
• chic buttons
• status message styles

To see the framework in action, check the demos.

MegaZine 3 is an open source & free Flash pageflip engine for presenting any content with a book-like interface where users can flip the pages.

It is built with ActionScript 3 & customized very easily via XML files.

Features of MegaZine 3:

• deep linking with integrated SWFaddress support
• control bar to navigate through pages easier (can be disabled)
• page caching for faster browsing
• ability to use any content in pages like sound, images, movies & more
• easy customization of background, colors & ability to create transparent pages
• advanced localization support (even sounds, iamges can be bound to languages)
• image zooming & image galleries inside pages

This pageflip engine is well-documented & a working demo can be found here.

Tip: There is a batch-script offered at the download page for auto converting PDF documents into Flash pageflip presentations.

Some other free pageflip engines:

• PageFlip (a basic & free version is mentioned for download)
• Quadra Silverlight Flipbook Control
• Flex book component

There are various CSS frameworks which offer a grid system, a style reset, basic typography, form styling & more.

But, if you only need a lightweight grid framework to build the skeleton of your website, take a look at the 1Kb CSS Grid.

It supports both fluid grids besides the fixed-width ones and nested rows can be created.

The website of the framework provides a generator to customize the grid & download the CSS easily.

Also, Usability Post has a very detailed introduction to the 1Kb CSS Grid in 3 steps. To dig the details, make sure you check them:

• Introduction
• Using The Grid For Templating
• The Details (nested rows, fluid grids..)

KnowledgeTree is an enterprise-level open source document management application built with PHP & uses MySQL for storing the data.

It enables reaching documents via web, desktop or Microsoft Office applications (via an add-in) & sharing them become easier with integrated dicussion forums, e-mailing, tagging & more.

With a role-based permission system, every user can view the documents they are permitted to, updates on documents are tracked & every user can connect with a different language to the system which is great for virtual, multilingual offices.

KnowledgeTree accepts adding documents in bulk (zipped), has built-in support for scanners & OCR softwares. Also, with the API support, it can be integrated with 3rd party softwares.

Besides those powerful features, the application has a powerful search module which works on numerous document types (Microsoft Office, PDF, OpenOffice, XML, HTML, RTF, text) & offers solutions to improve workflows.

UIzard is an open source development tool for creating web applications on the web.

It has built-in support for various project types like:

• standard web applications
• Google API-based widgets/gadgets
• mobile web applications

User interface elements can be controlled with drag’n drops just like a desktop IDE & UIzard’s built-in editor has support for code-highlighting.

With an instant preview feature, the outputs of the design & code can be seen easily.

P.S. The application is currently in beta status & can be a little unstable.

For creative people, mostly, music is very important. It can help to get into the mood & concentrate on a project or increase your blood pressure, send more oxygen to the brain & cause you to design/code beautiful stuff :).

pulpTunes is a free web server for iTunes which enables you to access your music collection from anywhere with a slick, Ajaxed web interface.

Music files are categorized just like iTunes, songs can be downloaded with a right-click & direct links to songs or playlists can be generated for sharing them easily with others.

pulpTunes is integrated with iTunes DJ, supports MP3 + AAC (M4A) files & can display cover arts.

For slower connections, buffer level can be easily adjusted & it works on Mac, Windows or Linux.

P.S. Although this resource is not directly design or development oriented, it is something that can be very handy for freelancers who may need to work from different locations time-by-time & for creative offices (where you can listen to music :)) to keep all music files in one place & reach easily.

dhtmlxScheduler is a free & Ajaxed event calendar script providing a scheduling solution similar to Microsoft Outlook Calendar or Google Calendar.

It is possible to create new events with a double-click & created events can be drag’n dropped, resized (for updating the times), updated or deleted with ease, fully Ajaxed.

The scheduler can present the calendar as day, week or month views & data can be loaded in XML or iCal formats.

With the help of the detailed documentation, it is possible to use any server-side scripting language to make dhtmlxScheduler fit any application.