I recently stumbled upon AppFlowy (https://github.com/AppFlowy-IO/AppFlowy), an open-source project that caught my attention. It's essentially a Notion-like workspace, but with a twist:

Built with Flutter (front-end) and Rust (back-end) Fully open-source and self-hostable Focuses on data privacy and ownership What I find interesting:

The tech stack choice - combining Flutter's UI capabilities with Rust's performance It's positioning as a privacy-focused alternative to Notion The potential for customization and extension due to its open-source nature