Affine

Affine is an open-source, privacy-focused tool merging note-taking and whiteboarding for personal and team use. It blends flexible markdown notes with infinite canvas whiteboards, enabling seamless text-visual transitions. Supports real-time collaboration, offline access, and self-hosted/cloud deployment. Ideal for brainstorming or project planning, it prioritizes data control—users manage their data or use the cloud version. Its clean interface balances functionality and simplicity, suiting students, professionals, and creative teams seeking an integrated, privacy-first solution.