AppFlowy

AppFlowy is a privacy-first, open-source productivity and collaboration platform designed as a fully customizable alternative to Notion. Built with Rust and Flutter for performance and native cross-platform support, it offers offline-first architecture, modular plugins, advanced block-based editing, workspace organization, and real-time collaboration. Users maintain full control of their data, making AppFlowy ideal for teams and individuals seeking a secure, extensible, and self-hosted workspace.