I implemented two new useful tools in the UI. First up is an apropos tool:
Next up, a multi-pane browser, inspired by the Whisker browser for Squeak; the idea here is that in each column, you can click on several items which are all shown at once in the next column:
Both tools are in the DARCS repository and will be part of Factor 0.83.
If you are interested, here is the source code: