SE93 is hard to use?
Often forget some useful tcodes?
ABAP server is not available when customer asks you an unknown tcode?
You can't find a tcode in SE93 because your ABAP server doesn't install the related component?
Wanna add comments to a tcode for future reference?
Want all tcodes be cataloged?

You should try this APP, which is very intuitive:
✔ full list: around 17,000 transaction codes are included
✔ catalog: all tcodes are cataloged by application modules, you can browser tcodes along catalog
✔ comments: you can add comments to any tcode, and even change its description
✔ easy search: you can search tcode by code itself, its description, and even comments you added to it
✔ favorite: you can add any tcode to your favorite list, and search them if you have too much stuff in the list

As a good consultant/technician, your productivity will be definitely improved with this APP.