febrl-gen is a Java-based frontend to Febrl, an open-source data linkage system written in Python. Users can configure the parameters of a linkage project through the frontend, and febrl-gen will generate a Febrl-ready configuration file.
A php library or sql layer with frontend and core classes to generate and run a SQL-query. For now we have Select, Update/Insert and Delete. More frontend classes possible to use your favorite functionnames
Wisent is an LALR(1) parser generator with pluggable front- and backends. It generates object-oriented code with clean namespace separation. A yacc-like frontend is currently accompanied by a C++ and a Java backend. The tool itself is implemented in C++.
Openology's goal is to provide a way to integrate the many open source PHP web applications. Integation consist of the frontend design and the backend code integration.
Raptor (Rapid Application ProtoTyping of Objects and their Relations). Java Frontend Framework that supports JavaBeans, Hibernate, Jakarta-POI, and a simple Raptor data access layer.
The BeanFactory Tool is a two-way GUI frontend plugin for editing javadoc custom doclets, such as XDoclet. It is build on a general Doclet editing layer running on Netbeans, JBuilder and Eclipse.