An example of the visible keyboard interface you describe: the “Context-Aware Actions” sidebar at http://www.openvim.com/sandbox.html http://www.openvim.com/san

An example of the visible keyboard interface you describe: the “Context-Aware Actions” sidebar at http://www.openvim.com/sandbox.html http://www.openvim.com/sandbox.html. That page is a poor implementation of Vim, but its live help interface has the basic idea right.