I'm sorry your garden is not doing well
There is an outbreak of Late Blight and it sounds like you've got it in your garden. Here's the [url=https://www.helpfulgardener.com/forum/viewtopic.php?t=16634]sticky[/url] on the subject in the Tomato Growing Forum.
I got a little worried when I read that you used Lime Sulfur -- it's used for fungicide but I really thought it's only used in the dormant season so I did a quick search. I see you *can* use it on growing plants but could the phytotoxicity of sulfur have affected some of your other plants? I could be wrong as I haven't used it before myself. FWIW, here's one link on the subject that seems to support this: https://lancaster.unl.edu/hort/Articles/2002/Lime-Sulfur.shtml
I think too, that Lime Sulfur may have weakened the population of good fungi and good bacteria in your garden. Perhaps [url=https://www.helpfulgardener.com/forum/viewtopic.php?p=90778&sid=f50bd6f1494203ed30b04e07979c1da8]foliar spraying[/url]with compost tea -- preferably [url=https://www.helpfulgardener.com/forum/viewtopic.php?t=17097]aerated compost tea[/url] -- as well as 10% milk-and-whey solution would help to restore them.