LedgerSMB is a free (licensed under the GPL), web based double entry accounting system written in Perl which uses PostgreSQL for data storage. It is intended for small and medium businesses (SMB), and it can be used easily through a regular web browser like Firefox. This tutorial explains how to install LedgerSMB on a Debian Etch system.

This tutorial describes how to install Simple Invoices on a Debian Etch server. Simple Invoices is a web-based, basic invoicing system that lets you create and manage your invoices, export them as PDF or Excel files, email them to your customers, etc. It is intended for small businesses/organizations and home users.