SugarCRM is the premier commercial open source customer relationship management application provider.

SureInvoice software is designed primarily for service oriented businesses.

Tariff Eye introduce your service to fees and tariffs control.

Tina POS is a point of sales application designed for touch screens.

Tiny ERP is a free enterprise management software.

tinyHeb is a Web application for midwives in Germany to do the legal accounting with the health insurance companies.

TkKasse is a Point-of-Sale (POS) software, which can be used with off-the-shelf computers.

Transcraft My Accountant is a powerful, extendable reporting suite.

TuxBank is a simple web based application that allows you to manage your finances.

TuxShop is a modern point of sale and shop management application.

Ucetnictvi OnLine is a Czech accounting program, open source, multiplatform (written in PHP + PostgreSQL).

UniLETIM is a Web-based environment for complementary currency systems such as Local Exchange Trading System.

VetTux has been developed and perfected to suit typical veterinary practices.

vtiger CRM project provides an easy to install, industrial-strength,free CRM application based on various open source components

wallstreet9 is a small home banking application that uses HBCI4Java for HBCI functionality.

Warehouse Manager is a business application designed to allow you to manage several aspects of your warehouse based enterprise.

webERP is an integrated suite of web-based business management software.

Wiaflos Accounting is an attempt to create a multi-platform server-client based accounting system.

WyattERP short from Enterprise Resource Planning means total business management software.

XTrader is a stock chart and technical analysis program.

Yet Another Financial Manager (YAFM in short) is application to track Your expenses and incomes.