HEATKEYS

siwapp is an open source web application meant to help manage and create invoices in a simple, straightforward way

WePay makes it easy to securely collect money online.

Invoiceable lets you create invoices free with really easy-to-use and free invoice software. Make an Invoice online, send it and get paid through PayPal.

Online billing software for small businesses and freelancers to simplify your invoicing needs. Send professional invoices online and get paid.

BambooInvoice : Simple, Open Source, Online Invoicing

1stwebdesigner is a design blog dedicated to bloggers, freelancers, web-developers and designers. Topics focus on web design and inspirational articles.

Social Media news blog covering cool new websites and social networks: Facebook, Google, Twitter, MySpace and YouTube. The latest web technology news, via RSS daily.

OStatic

Packt Publishing is the leading UK provider of Technology eBooks, Coding eBooks, Videos and Blogs; helping IT professionals to put software to work.

The Fastest Way To Track Time and Invoice Your Clients. Great for teams, freelancers and service providers.

Membership Software : PayPlans is an open-source Joomla membership, subscription and billing management software. Create a Subscription/Membership website for your online consultancy, club, services or community all based on the power and flexibility...

Find extensions for your Joomla site in the Joomla Extensions Directory, the official directory for Joomla components, modules and plugins.

BusinessBee provides the best available resources, tools, news and product information for small businesses. Find out how you can increase efficiencies, reduce costs, and improve your business