Billing Boss is a free online invoicing software designed for small businesses and freelancers to create, send and track the status of invoices.

Take advantage of advanced features like recurring invoices and quotes, upload your company logo, manage your customers from a centralized list and feel free to invite your accountant/bookkeeper to access your Billing Boss transactions anytime.

The data is encrypted and stored in a state of the art facility with regular backup. It uses 256-bit AES encryption to transmit your data. A mobile version is available and can be accessed on your iPhone, Blackberry or Android.

The Ai->Canvas plug-in enables Adobe Illustrator to export vector and bitmap artwork directly to an HTML5 canvas element that can be rendered in a canvas-enabled browser.

Ai->Canvas brings your artwork to life by adding animations to your Illustrator drawings. Ai->Canvas supports rotation, scaling, fading, and movement along a path.

This free illustrator plugin accelerates your HTML5 canvas development. The HTML and JavaScript that it exports is meant to be copied into your own application and extended.

The Ai->Canvas Illustrator Plugin runs on both Windows and Mac.

MobilePress is a free WordPress plugin which turns your WordPress blog into a mobile-ready blog when viewed on a cell phone.

MobilePress comes with a number of free themes optimized for normal handsets and also an iPhone specific theme. It also allows you to create custom mobile themes for different handheld devices and mobile browsers such as the iPhone, Opera Mini and Windows Mobile.

Web applications like Gmail, Facebook, Campfire and Pandora are becoming more and more like desktop applications every day. Running each of these web apps in an individual tab in your browser can be a real pain.

Fluid lets you create a Site Specific Browser (SSB) out of any website or web application, effectively turning your favorite web apps into desktop apps.

Features

• Open Plug-in Architecture
• Built-in Userscripting
• Single-Window Browsing Mode
• BrowsaBrowsa Plug-in for Sidebars
• Twitter Timeline Plug-in
• Thumbnail Plug-in for CoverFlow

Rapportive is a free plugin for Firefox, Safari, Mailplane (a standalone Gmail application for Mac), and Chrome to replace you gmail sidebar with rich contact profiles. Rapportive shows you everything about your contacts right inside your inbox.

You can immediately see what people look like, where they’re based, and what they do. You can establish rapport by mentioning shared interests. You can grow your network by connecting on LinkedIn, Twitter, Facebook and more. And you can record thoughts for later by leaving notes.

Hyde is a static website generator powered by Python & Django. Hyde supports all the Django template tags & filters and even has a few of its own. The built-in web server and auto-generator provide instant refresh and unlimited flexibility.

Features

• No database, no slowness, no digg-effect
• Dynamic content can be displayed using javascript
• Templates are dynamic, output is static
• Efficient versioning using source control systems

There are two layouts currently available: default and simple. The default site layout contains templates for basic site structure, navigation, breadcrumbs, listing, posts and Atom feed and a very basic stylesheet.

The default template supports Typogrify, which is a collection of Django template filters that help prettify your web typography by preventing ugly quotes and widows.

Mollify is web file manager for publishing and managing files hosted in a PHP enabled web server, with AJAX powered clean and fully customizable user interface.

Mollify comes with a intuitive and clean user interface. Its a multilingual web file manager with support for 12 languages.

Features

• File level user access control
• Multiple file uploading with progress display
• Support for public links for file downloads
• Event logging & Server plugin system for extending features
• Fully customizable UI via CSS files, no styles are “hard-coded”

Akelos PHP Framework is an open source port of Ruby on Rails to the PHP programming language.

The main goal of the Akelos Framework its to help programmers to build multilingual database-backed web applications according to the Model-View-Control pattern. It lets you write less code by favoring conventions over configuration.

It allows you to:

• Write views using Ajax easily
• Control requests and responses through a controller
• Manage internationalized applications
• Communicate models and the database using simple conventions.

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

TeamLab is an open-source software for business collaboration and project management. It allows you to use social networking tools such as blogs and forums, organize business tasks and milestones, as well as communicate with your team members via corporate IM.

Features

• Create and manage existing projects
• Tasks & Milestones management
• Chat with your colleagues in real-time

TeamLab is written in ASP.NET / MySQL and can be used as a hosted service or its open source alternative allows you to deploy it on your own servers.