List of alternatives
Note: I have not vetted all of these yet and you should do so yourself (IANAL). Obviously, not all sites have the exact same purpose. Sites with an asterisk seem to have the most buzz as alternative platform options (I am not including other platforms that also forbid NSFW content). I will update this post as time allows so check back often. Suggestions/feedback welcome. Please reblog.
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Adultism.com - Terms (from https://www.adultism.com/terms.php): 1. You must be at least 18. 2. You indemnify them.
Adultnode.com - Terms (https://adultnode.com/static/terms)
Archiveofourown.org (AO3 invite required, reader apps available for iOS) Terms (from https://archiveofourown.org/tos): 1. You must be at least 13. 2. You may be exposed to material that is grammatically incorrect or badly spelled. 3. You consent to receiving fundraising emails from them.
Are.na - Terms (from https://www.are.na/terms): 1. You must be at least 13. 2. You indemnify them. 3. You may not submit material that is pornographic.
BDSMlr.com - Terms (from https://bdsmlr.com/terms): 1. No illegal porn. 2. They can use your content without paying you. 3. You indemnify them.
Behance.net - Terms (https://www.adobe.com/legal/terms.html) and Community Guidelines (https://www.behance.net/misc/community)
Blogger.com - Terms (https://policies.google.com/terms?hl=en). Content (from https://www.blogger.com/content.g?bpli=1): 1. Blogs with adult content should be marked as adult.
Blogr.xxx - Terms (from http://www.blogr.xxx/terms): 1. You must be at least 18. 2. They can use your content without paying you. 3. You indemnify them.
Chaturbate.com - Terms (https://m.chaturbate.com/terms/). Substantially similar to Uplust.com (see below).
Cumblr.com - In development, submit your email on the site to receive notifications.
DeviantArt.com (iOS app) - Terms (from https://about.deviantart.com/policy/service/): 1. You must be at least 13. 2. You may not post offensive, pornographic, or vulgar material. 3. You indemnify them.
Discord (discordapp,com)(iOS app) - Terms (https://discordapp.com/terms)
Dreamwidth.org - Terms (https://www.dreamwidth.org/legal/tos)
Ello.co* (iOS app) - Terms (from https://ello.co/wtf/policies/terms/): 1. You must be at least 13. 2. If you have sexually explicit content, you should designate your profile NSFW. 3. You waive legal rights to act against Ello if you see something you didn’t want to. 4. Inactive accounts may be deleted after 1 year.
Erolair.com - Terms (http://erolair.com/pages/terms-of-service/)
EroMe.com - Terms (https://www.erome.com/s/terms)
Eroprofile.com - Terms (http://www.eroprofile.com/p/help/termsOfUse)
F-List.net - Terms (https://www.f-list.net/doc/tos.php)
FanFiction.net (iOS app) - Terms (https://www.fanfiction.net/tos/)
Fetlife.com - Terms (https://fetlife.com/legalese/tou)
FurAffinity.net - Terms (https://www.furaffinity.net/tos)
Gab.ai - Terms (https://gab.ai/about/tos)
Hentai-Foundry.com - Terms (http://www.hentai-foundry.com/site/rules/general)
Kik.com (tumblrrefugees)(iOS app) - Terms (https://www.kik.com/terms-of-service/)
Kinkspace.net - Terms (https://kinkspace.net/static/terms)
Libertine.center - Terms (https://libertine.center/general-terms-and-conditions-11-2018-1/)
Manyvids.com - Terms (https://www.manyvids.com/Information/)
Mastodon* (joinmastodon.org)(multiple iOS apps, e.g. Tootdon, Pawoo) Each Mastodon server can have its own rules.
MeWe.com* (iOS app)(https://mewe.com/join/tumblrrefugeesdirectory) - Terms (from https://mewe.com/terms): 1. You may not post pornographic content and MeWe may remove it. 2. Inactive accounts may be closed after 6 months. 3. You must be 16 or older.
Minds.com - Terms (from https://www.minds.com/p/terms): 1. You must be at least 13. 2. User content must be tagged as explicit when containing nudity or sex. 3. The channel may not be used to promote prostitution. 4. Users may not Boost content that is sexually explicit.
Modelmayhem.com - Terms (https://www.internetbrands.com/ibterms/)
Motherless.com - Terms (https://motherless.com/tou)
Newgrounds.com - Terms (from https://www.newgrounds.com/wiki/help-information/terms-of-use): 1. You may not post photographs containing nudity and/or sexual situations. 2. You indemnify them.
NibbleBit.com (import tool to connect to Tumblr RSS) - Terms (from https://nibblebit.com/terms-of-service): 1. Blogs must be rated General or Adult. 2. You indemnify them.
Onlyfans.com - Terms (https://onlyfans.com/terms/)
Patreon.com (iOS app) - Terms (https://www.patreon.com/legal)
Piczel.tv (see https://piczeltv.tumblr.com/post/180764826906/we-at-piczeltv-are-sad-to-see-tumblrs-stance) - Terms (https://piczel.tv/help/legal/terms)
Pillowfort.io* (.io domains may not be used for any purpose that is sexual or pornographic, see 5. Appropriate Use on https://www.nic.io/rules.htm) - Still in beta/gif sizes limited. Terms: https://www.pillowfort.io/TermsOfService
Pixiv.net (iOS app) - Terms (from https://www.pixiv.net/terms/?page=guideline): 1. Images displaying genitalia or distorted depictions of sex are prohibited.
Poizen.me - Still in alpha.
Pornblr.co - Can’t find any Terms of Service
Pornhub.com - Terms (from https://www.pornhub.com/information#terms): 1. You must be at least 18. 2. Non-adult-oriented content may be deleted by them. 3. You indemnify them. 4. You must provide verifiable identification to them in order to post/sell content.
Qink.co - Still in alpha.
Reddit.com (iOS app) - Terms (from https://www.redditinc.com/policies/user-agreement-may-25-2018-2): 1. You must be at least 13. 2. Nudity and pornography should be tagged NSFW and may be removed if it isn’t. 3. You indemnify them.
Sex.com - Terms (from https://www.sex.com/about/terms): 1. You must be at least 18. 2. They can sell your content on the site. 3. You indemnify them.
Sharesome.com* - Terms (from https://sharesome.com/pages/terms-conditions/): 1. You consent to recording of your voice, image or text conversations by them. 2. You are either single or separated. 3. You indemnify them.
Snapchat.com (iOS app) - Terms (from https://www.snap.com/en-US/terms/): 1. You must be at least 13. 2. Snapchat can use your content without paying you. 3. You may not post or link to pornography. 4. You indemnify them.
Swarmr.com - Terms (from https://www.swarmr.com/terms.html): 1. Inactive accounts will be deleted after 60 days. 2. You indemnify them.
Tumblr.com (pre- Dec. 17, added for comparison) - Terms (from https://www.tumblr.com/policy/en/terms-of-service) and Community Guidelines (from https://www.tumblr.com/policy/en/community): 1. You must be at least 13. 2. You should mark nudity as sensitive content and identify adult blogs as explicit. 3. You may not upload sexually explicit video. 4. Account URLs may be released if dormant for 1 year. 5. You may not facilitate prostitution.
Twitter.com (iOS app) - Terms (from https://twitter.com/en/tos): 1. You must be at least 13. 2. Twitter can use your content without paying you. 3. Some adult content can be posted in Tweets marked as sensitive media.
Typepad.com - Typepad is a paid service. Terms: https://www.typepad.com/tos
Uplust.com - Terms (from https://uplust.com/support/terms-and-conditions/): 1. You must be at least 18. 2. No unusual or overly large sex toys in posts. 3. No discussion of prostitution or escort services. 4. No bukkake or goatse. 5. No alcohol consumption portrayed. 6. No filming outdoors or in public places. 7. Language around ownership/rights to content that I either don’t understand or is contradictory.
Vero.co* (iOS app) - Terms (from https://www.vero.co/terms-of-use): 1. You must be at least 13. 2. You indemnify them.
Vk.com (iOS app) - Terms (https://m.vk.com/terms)
Whaleshares.io (.io domains may not be used for any purpose that is sexual or pornographic. See 5. Appropriate Use on https://www.nic.io/rules.htm) - Terms don’t exist (placeholder at https://whaleshares.io/tos.html)
WordPress.com (iOS app) - Terms (https://en.wordpress.com/tos/)
4chan.org - Couldn’t find Terms. See footer of http://www.4chan.org/faq for some legal.
500px.com (iOS app) - Terms (https://about.500px.com/terms/)
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Key posts to review:
https://lloydeye.tumblr.com/post/180786594544/tumblr-alternatives
http://olderglow.tumblr.com/post/180774351096/masterpost-of-tumblr-alternatives
http://glasmond.tumblr.com/post/180799189448/alternatives-to-tumblr - reviews 55+ platforms.
http://reinhardt-the-dragon-slayer.tumblr.com/post/180785535673/so-you-wanna-leave-tumblr
Export your blog: https://tumblr.zendesk.com/hc/en-us/articles/360005118894-Export-your-blog
