2do is a simple to-do list manager written in PHP and using a MySQL database backend. It supports unlimited numbers of projects, has templated HTML allowing for complete customisation, and can be publically viewable by all, or can be protected by passwords. Administration is done via simple Web-based forms.
@Mail Groupware combines the ability to share address books, calendar items, and tasks among groups of users with optional permission levels. It provides a complete Web- based groupware system for users within your organization and provides an Outlook 2003/2000 to Web synchronization utility for Contacts and Calendar data.
The SupStar Job Card Management system manages the workshop jobs, technicians, and other details of a multi-branch computer sales or technical company. Its features include per technician reports, graphs on jobs and queue views, branched total reports, a calendar for call-out jobs, email and SMS notification to clients and staff, high security, and a full admin section.
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.
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.