Show HN: An infinite canvas notetaking app like OneNote with Markdown support

The author, Oskar, introduces Notanic, an infinite-canvas note-taking app with Markdown support, designed for technical use cases. Notanic offers features like real-time multiuser editing, native Markdown blocks, and embeds for various platforms. The app is available for free on desktop and as a web app with cloud sync. The author invites feedback from the community.