Ofuz – is an open source invoice, contact and customer management application created for teams, freelancers, and service providers.

Ofuz can be downloaded from HERE, and is also available as paid online service.

Ofuz features:

• Easily invite co-workers and customer to share files, emails, discussions and get things done.
• You can simply track your time on customers and projects, view all your co-workers timesheets and reports.
• Easily invoice your clients. Receive their payment online.
• Capture leads from your web site and send very personalized and targeted e-mailings
• Contact manager – import all your contact from your address book, emails, Gmail, Facebook, Twitter and Android Phones in one place.
• … and more

Open Web Analytics – an open source web analytics framework provides a generic set of PHP and HTTP APIs that application developers can use to easily add web statistics into any web application or web sites.

The Framework also has built-in support for popular web applications like WordPress, MediaWiki and Gallery.

As a generic web analytics framework, OWA can be extended to track and analyze any web application.

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Ajax Availability Calendar is an open source web application for displaying the availability calendar of whatever you might need it, apartments, holiday cottage, hotel rooms etc. using PHP and MySQL.

Ajax Availability Calendar is 100% administrable – take a look at administrator panel (support multiple administration users).

View Frontend Demo

Via administrator panel, you can set up Unlimited Items (rooms, apartments, etc.) , unlimited Booking States – available, booked, special offer etc.

It’s easily styled with CSS – easy to adapt to any design. Uses AJAX to change months viewed without reloading the page. All javascript handled by the Mootools library.