VSCO Film are the go to starting points, you will have an endless supply of classic film looks that you can use, tweak and re-save as your own versions.
I bought packs 1 to 4 years ago and used a few of the Velvia/Kodak and other film styles I was fond of from the old skool 35mm film days which I built into my own presets which has now become my signature grading for everything I produce!