PowerToFly is all about diversity. They list job offers from companies that are committed to creating inclusive environments. Not all jobs are remote but there is a 'remote' filter.

Remotive is a pay-to-play remote job board. It boasts over 30,000 jobs at the time of writing. Membership costs €79.00 for lifetime access. Some jobs are publicly available so you can get some use of it even without paying for the membership.