UniParser for Ada 

Ada library for creating grammar parsers and lexers. Supports Unicode and other kinds of streams. Powerful, flexible and extensible. Creates syntax tree. Has various pre-defined constructs. Arbitrary reliable look-ahead. Object oriented.
parser generator grammar generator lexer generator bnf syntax tree grammar tree parsing tree unicode

Binding Properties for GtkAda 

Extension of GtkAda GUI toolkit for binding together properties of objects, that is synchronizing properties so that when a property changes, bound properties automatically change accordingly. Greatly simplifies and increases reliability of GUI programming.
gtkada gtk gtk+ ada 95 library ada95 library binding properties data binding property ui library gui library gnome libraries