Do you know of any additions to this list

Although this is one old question, when I wrote this answer, there is no one saying about title case (see wikipedia).

"The Quick Brown Fox Jumps over the Lazy Dog"

A mixed-case style with all words capitalised, except for certain subsets (particularly articles and short prepositions and conjunctions) defined by rules that are not universally standardised.

Notice for VSCode and Python, that means start case in wikipedia definition (JS lib lodash uses the latter naming). More details are show in this reddit comment thread.

"The Quick Brown Fox Jumps Over The Lazy Dog"

Start case, initial caps or proper case is a simplified variant of title case. In text processing, start case usually involves the capitalisation of all words irrespective of their part of speech.