I couldn't find something before, so I created a plugin to assist with navigating block structures in "braceless" languages like Ruby and Python via key binding. E.g.
The plugin allows jumping from something like
end and vice versa via key combo. Or jumping out to the start of a block (e.g.
else) from a line inside the block.
It relies on code being well indented and not mixing tabs and spaces. It's a bit rough, but functioning.