AMC is a programmable compiler/preprocessor. It has a built-in programming language called CGL (Code Generation Language) that lets you add new syntactical elements to the source files that AMC processes. In addition, AMC has a module structure reminescent of the UCSD p-System compiler. AMC comes with a default package that adds a dynamic form of OOP to C.
AMLET is software designed to estimate multinomial and mixed logit discrete choices models, which are increasingly popular in econometry. The software supports cross- sectional and panel data, and offers various optimization methods, including the new variable sample-size approach.
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.