food that's sometimes stored in the fridge but is actually fine to store at room temperature after opening

• hot sauces that contain vinegar as the top ingredient †
• soy sauce †
• pre-cooked bacon bits, even ones that aren't very dehydrated such as Oscar Mayar's Real Bacon Bits

† There IS NOT UNANIMITY on this from experts — they may be many people who say "refrigeration isn't necessary for safety but is recommended for freshness", or there may be a few dissenters who say that it's necessary for safety too.

similar articles to this one

• "20 Surprising Foods You Don't Need to Put in the Refrigerator", by Eat This, Not That!