Notanic

Notanic is a visual note-taking application that combines an infinite canvas with an infinite tree structure, allowing users to create and organize notes, sketches, code, and graphs in one place. It solves the problem of fragmented tools for visual thinkers and teams. The product targets developers, designers, and operations professionals, as well as individual users and teams of all sizes, from freelancers to enterprises. It is positioned as a local-first, open-source alternative to cloud-based and proprietary note apps, offering real-time collaboration, Markdown support, and interactive embeds.

Key features

• Infinite canvas and infinite tree
• Real-time collaboration with live cursors
• Markdown support and embeds
• Sketches and handwriting with precision tools
• Annotate images and PDFs
• Local-first data storage with optional cloud sync
• Open source based on tldraw