Invoice Me is an online invoicing system, with automatic billing status indicator. With the correct IDs, customers may search their own invoices, and view the payment status (with an option to hide paid invoices). It features search, add, edit, and delete admin interface. When creating a new invoice, the administrator can opt to email a copy of the invoice directly to the customer. Viewers can print the invoices easily via a Print Mode.
ARIA is business class management (ERP) software. It lets you manage inventory levels, maintain payroll, and process orders. It is written primarily in PHP and incorporates the ADODB database abstraction layer. There are currently translations for Chinese, Spanish, Italian, and French.
ASTPP is a billing solution for Asterisk and FreeSWITCH. It supports pre-paid and post-paid billing with call rating and credit control. It also provides many other features such as calling cards, least cost routing (lcr), did management, resellers, callbacks, etc. ASTPP is able to integrate with OSCommerce to provide a Web store for your users to purchase calling cards and sign up for VoIP accounts.
AccWhizz is a multilingual accounting application for small business companies and accounting offices. It is modular, written in PHP 4.x, and operates on top of PHP GroupWare. It runs as a Web application with Apache and phpgroupware serving as a middle layer. Internal data is managed by PostgreSQL/MySQL databases. The SQL server can either be local or remote.
Admelix is a live CD distribution based on Ubuntu Linux with tools for business administration. Its main objective is to guide managers of small and medium-size businesses towards GNU/Linux and open source software. In addition to the live CD, the project's Web site provides information about open and free tools for business administration.