There are several fantastic online communities for partners of sex addicts. A few are for men, more target women.
Here’s a list in no particular order-
Sex Addiction Resources
Bloom for Women
Betrayal Trauma Sisterhood
Betrayal Trauma Recovery
Partner Betrayal Trauma
Omar Minwalla – great research on topic
Then there’s S-Anon. the partner component of Sex Addict anonymous
I hope these resources help.
Wishing you all the best-
Kerry