Apps similar to Tellonym include Wire, which is open source and free for personal use. Other options are Threema, AWS Wickr, CuriousCat.me and Revospring. You can choose from more than 10 Social Networks like Tellonym for the web, iPhone, Android, iPad and self-hosting.
Built in the retro, early-2010s visual style of ASKfm, Askmos.me is a nostalgic blast from the past in a modern and improved form. Ask members questions anonymously or openly, and share your own thoughts in your answers.
United States
Zaqa is a Question & Answer based social network. Create your profile, ask other users and answer the anonymous questions.
GlobaLeaks is an open-source, free software intended to enable secure and anonymous whistleblowing initiatives developed by the Hermes Center for Transparency and Digital Human Rights.
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.
SecretPost, formerly Send Secret Message, lets you create anonymous message links, receive private feedback, and share one-time self-destructing secrets.
United Kingdom
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.
Poland
EU
CoverDrop is a system designed to allow users of news organisations' mobile apps to contact journalists confidentially and without leaving evidence that they are doing so.
United Kingdom
sendit is the Q&A app. get questions from friends and answer right on your story! here's why everyone is doing sendit:
United States
Questionbox is where you can send and receive anonymous questions. You can open your Questionbox in less than 5 seconds. Share your Questionbox URL on SNS and answer questions from your followers!
Switzerland
