Lumzy is a free online quick mockup creation and rapid prototyping tool for software designers and developers with robust features, intuitive and clean interface.

You can add events to controls, place controls inside other containers and emulate your project with easy page navigation triggered by user actions.

Add participants to your project and chat within same window over the project. With project participants, you can edit a project online in realtime. When you drag a control, everyone connected sees the changes you just made.

Dplayer is an open source, easily extend-able, HTML5 video player that allows users to easily embed videos in any page, blog or site using the newest web standards. It mainly makes use of HTML, CSS and JS while featuring as less Adobe Flash as possible (just for fallback) to allow customization with a minimal effort.

This Javascript driven HTML5 Video Player falls back to Flash only whenever there is no native H.264 support available.

No browser plugin, no Flash dependencies! You can jump anywhere in the video without waiting while buffering.

Features

• Plays ogg (theora/vorbis), mp4/mov (H.264)
• Compatible with iPhone and iPad
• Standalone pure JavaScript library
• 100% skinnable using CSS
• Fallback to Flash Player
• Full window supported

ColorPicker is a free Javascript color picker that can display and let you choose the entire color palette (~16.78 mil. colors) in 6 different color modes.

This highly customizable and easy to install Javascript color picker comes in 4 different sizes with different feature levels.

Features

• Draggable Color pickers
• Skinn-able with CSS
• Accessible & Compact Design

Argentum is an open source project management and invoicing software that you can use in order to keep track of the different projects any team of yours has to tackle, and also of the invoices that you are sending out to your clients.

Its very easy to monitor how much time is being spent by a team on an assignment. It has built-in support for PDF generation, multiple currency and automatic currency conversions for invoices.

Argentum project management and invoicing software is available in two configurations: you can host it in your server, or you can have it hosted by the company.

Notifications and tooltips are a way for your applications to provide you with new information, without you having to switch from the application you’re already in. Most of the notification & tooltip scripts are developed with Javascript, jQuery and MooTools.

Greepit previously shared number of awesome notification resources, few of them are:

• Inline Javascript Notification – Notifier
• Advanced Javascript Tooltip Notification – Pines Notify
• Lightweight jQuery ToolTip Plugin – Tip Tip

Notimoo is a small (4kb) notification and tooltip plugin developed with MooTools, inspired by Mac OS application Growl.

It is an easy to use and highly configurable notification plugin comes with predefined settings that will allow anybody to use it just with a couple of lines.

Style your markup right in your browser with an in-browser element selector and CSS editor, Brosho. Generate the CSS code of altered elements with one click and use it in your own stylesheet.

Stop switching between editor and the browser for changes, tweaks and enhancements, changes will occur immediately without reloading the page. Once you are done designing your mockup you can generate the CSS code, paste it to your stylesheet.

TranslateThis Button is a lightweight free Javascript translation widget. It translates any page quickly using Ajax and the Google Language API.

This widget is cross browser compatible and translates your website into 52 languages; just copy and paste the TranslateThis Button anywhere on your site.

TranslateThis Button is available as a free javascript translation widget and it also comes as a free translation plugin for WordPress.

You may have seen the flash content slider over at MLB, Louis Lazaris shared a very nice tutorial on recreating this content slider using jQuery and CSS3.

This CSS3 content slider supports:

• Auto-hide thumbnails
• Navigation controls to view specific slide along-with next / previous button controls

A set of Free, helpful, quality User Interface Design elements, icons and styls to design faster wireframes and create better mockup deliverables in Illustrator.

The set contains:

• GUI library – Hundreds vector elements for interface design
• Minimal UI icons set – 260 vector icons for Illustrator
• Styles library – 200 styles to apply in Illustrator

These user interface design elements can be customized easily to your own needs : you can easily resize, color or tweak their appearance.

Tagging your picture is one of the interesting & fun feature that Facebook has, and everyone loves to tag their pictures.

Ever wondered having a PHP / jQuery plugin offering enhanced functionality and improved user experience for your own web application or web site?

jQuery-Notes is a simple, scalable and easy to use jQuery-Plugin that allows you to add notes & tag your pictures on your web site, web application or blog. The notes will be saved as a JSON-string so No databased required.

• Add notes to any image
• Totally scalable
• Easily customizable look via css
• Image linking