Flaka is an extension for Ant that runs with Ant versions 1.7.x and 1.8.x. A main project goal of Flaka is the simplification of writing a build script. It requires Ant >= 1.7.x and Java >= 1.5. It provides an expression language (Java Unified Expression Language) allowing access to data objects that makes many scripting parts in Ant scripts unnecessary. It provides conditional and repetitive control structures like when, unless, while, for, choose, switch, etc. It provides exception handling. It provides additional types, tasks, and macros. It provides comprehensive documentation.
Ada EL is a library which implements an expression language similar to the JSP and JSF Unified Expression Languages (EL). The expression language is the foundation used by Java Server Faces and Ada Server Faces to make the necessary binding between presentation pages in XML/HTML and the application code written in Java or Ada.