Yesterday Tumbler enacted a permanent ban on adult content. This is just the latest in a series of announcements that have gradually downgraded content on.
Now that Tumblr's deleting adult content, content creators need to find Tumblr Pillowfort.io is a brand new social media site that is still getting its tweaks.
Is there any other SM sites that allow you to post adult content/nude pictures/GIFs other than Twitter and Tumbler? You can't post adult content on these though. adultspace.com, socialsex.com is a adult social networking site.
Certainly people who run adult sites network together and sites that allow anonymous usernames were people can have their hidden accounts.
Many porn professionals looked askance at Tumblr's adult content, pointing out that much of what was shared on the site was stolen from.