cryptgeon is described as 'Secure, open source note / file sharing service inspired by PrivNote written in rust & svelte' and is an app in the file sharing category. There are more than 10 alternatives to cryptgeon for a variety of platforms, including Web-based, SaaS, Android, Chrome OS and Android Tablet apps. The best cryptgeon alternative is vanish.so, which is both free and Open Source. Other great apps like cryptgeon are Retriever, One-Time Secret, Privnote and SafeNote.
Using VaultNote, you can share passwords and sensitive information securely without leaving a permanent trail. Create encrypted notes, send them as a single-use link, and rest assured they will self-destruct after reading.
Switzerland