Web based application needed for storing client information

Avg Bid (USD)
Project Budget (USD)
$250 - $750

Project Description:
I am looking for a web based application. I know how I want the pages layed out. Information for each page.

It needs to be searchable via certain fields. The abililty to bill clients - some reoccuring then email those invoices.

Calendar function with notifications to other users about appointments - invoice events - updates to client information.

I run a computer store and am basically looking for web based application to keep track of customers. What I do for them. Configurations of their network. Invoices and appointments.

Skills required:
Accounting, Linux, PHP, System Admin, Website Design
About the employer:
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