AppFlowy vs OneNote

AppFlowy is an open-source alternative to Notion that provides documents, wikis, and project management in a privacy-focused workspace. It operates as a local-first application with optional cloud sync and supports self-hosted deployments. AppFlowy uses a block-based editor and includes AI features powered by GPT-5, Gemini 2.5 Pro, and Claude 3.7 Sonnet.

OneNote is Microsoft's freeform note-taking app with a canvas-style layout, ink support, and Office integration.. It is available under a free model. This tool falls under the note taking category.