The directory of sovereign-minded things around the world

Duck.ai is DuckDuckGo's anonymizing front end to third-party chat models, relaying requests so providers see DuckDuckGo rather than your identity or IP address. Chats are stored in your browser, not on DuckDuckGo servers, and free models include Claude 4.5 Haiku, Mistral Small 4, and GPT-5.4 mini. You are trading one intermediary for another, not removing one.

Aegis is a free, MIT-licensed filter that sits between you and hosted chatbots like ChatGPT, Claude, and Gemini, screening prompts and responses by keyword matching plus a local machine-learning classifier. All analysis runs on the device; nothing is sent to external servers. It filters traffic but does not change where inference happens, so the underlying chatbot still sees every prompt it passes.

HomeLearnAI is an MIT-licensed Laravel application for homeschool management, with spaced-repetition review scheduling, multi-child support, calendar integration, and separate adult and learner interfaces. You can run the hosted version free or deploy it on your own server. The published documentation never states where its AI inference runs, so self-hosting the app does not confirm you are self-hosting the model behind it.

Family AI Chat is a closed-source mobile app offering push-to-talk voice conversations with an AI companion, where an adult configures allowed topics, voices, and languages. Speech is transcribed on the device and conversation text is kept locally, but the text itself goes to an unnamed third-party AI service for processing, so you cannot evaluate who actually handles it.

MaxHome AI is a closed-source household assistant app for iOS and Android with per-person profiles, voice commands, calendars, reminders, grocery lists, and budget tracking. It states conversations are never sold to advertisers or used to train models. As shipped it is a cloud service; a fully local install exists only through a paid in-home consultation, so the default configuration sends your household data off-device.

Zurich is Switzerland's institutional bitcoin hub: Zürcher Kantonalbank, the country's fourth-largest bank, sells bitcoin to retail clients inside its e-banking app; Sygnum, the first regulated digital-asset bank, is headquartered here; and the Bitcoin Association Switzerland runs a free meetup every second Wednesday. It is not a circular economy — merchant acceptance stays thin, and living costs rank among the world's highest.

Europe's largest bitcoin-only conference, held each year at PVA EXPO PRAHA with roughly 10,000 attendees. Programming spans beginner-friendly talks, an industry day, and a community weekend, plus a large expo hall. More retail and culture than developer depth, and the crowds are real, so plan accordingly.