Included in this download are the following mods:

• Interface Tweaks 1.6
• Interface Tweaks (Without Hotkey Hints) 1.6
• Ergonomic Hotkeys (All Layouts) 1.6

Installation instructions are available on the steam workshop (Ergonomic Hotkeys has a manual step!)

License
Each mod is licensed under a Creative Commons Attribution-ShareAlike 4.0 International license. This means that you can use the contents of this work (as-is or modified) in your own work, even if you benefit financially, so long as you give proper attribution and license the work under the same license. You don't need to ask me first (though I would appreciate a heads up!).
The license terms are explained here and are listed in full here.