Notida

Fast, private web notebook with AES-256-GCM encrypted notes and Markdown/HTML/Math support.

Webfreeglobal

A fast, private web notebook that stores notes encrypted at rest with AES-256-GCM and supports Markdown, HTML and KaTeX math, plus task lists, reminders, tables and code blocks. It addresses the exposure risk of unencrypted online notes and is aimed at privacy-conscious users and students needing math notation; it is a web app and not suited for offline-only or no-account storage workflows.

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