Sites and apps similar to Revospring include mond - anonymous q&a platform, which is free. Other options are CuriousCat.me, Atabook, Peing and Askmos.me. You can choose from more than 10 Q&A Services like Revospring for iPhone, Android, iPad, self-hosting and Mac.
Tellonym is the most honest place on the internet. See what your friends think of you, answer anonymous questions and ask others the things you have never dared before.
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askbox is a free "Ask Me Anything" platform that gives creators of any kind a single, permanent link (askbox.buzz/ask/yourname) where their audience can send them questions - anonymously or with their name attached.
SecretGate is an open-source, privacy-focused ephemeral messaging platform designed to eliminate server-side trust and raw data exposure.
Anonymous questions can also be from the follow-up list. Zabuu can ask questions and answer on Twitter.
Free browser-based Q&A service where users receive questions in a private inbox, allow or block anonymous submissions, and publish replies on customizable public profiles. It supports following, likes, search, friends feeds, and recent-answer streams.
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