Hi Jake. Thank you very much for the feedback.
The Space key cannot be used as a modifier when registering a global hotkey. Only Shift, Control, Alt and the Windows keys can. As another user reported, the key list seems to have duplicates and missing keys, which will be fixed in the next version. Grouping keys by category or keyboard area is a good idea which I'll keep in the pipeline. The "Press hotkey here" textbox is not implemented yet. I have a working prototype, but it does not work well enough for the moment. That's why it's disabled.
As for the built-in hotkeys not appearing the first time, I'm taking good note. Did others readers reproduced this?
For the moment, slimKEYS will remain in the global hotkey area, but nothing prevents third-party from creating a handler that launches apps when folders or files are created, though it's not related to hotkeys. As for per-application hotkeys, it won't go as far as your example, but an upcoming version of the slimSIZE plug-in will be able to target not only the active window, but also a window by its title or class name. This means you'll be able to make "Windows-S" (for example) move the window who's title matches "Photoshop*".