devtodo

hierarchical, prioritised todo list manager
Manipulate and display a hierarchical (ie "subtasks") and prioritised
list of things with a coloured command line interface.
.
Using devtodos output formatting features, it is possible to convert
the todo list into almost any text format.
.
Devtodo comes with XSLT stylesheets to convert XML .todo files to HTML
and PDF, have a look at /usr/share/devtodo/.