Lorien is described as 'Infinite canvas drawing/note-taking app that is focused on performance, small savefiles and simplicity. It's not based on bitmap images like Krita, Gimp or Photoshop; it rather saves brush strokes as a collection of points and renders them at runtime (kind of' and is a Whiteboard in the office & productivity category. There are more than 25 alternatives to Lorien for a variety of platforms, including Web-based, Windows, Android, iPhone and iPad apps. The best Lorien alternative is Microsoft OneNote, which is free. Other great apps like Lorien are Xournal++, Miro, OpenBoard Whiteboard and Linwood Butterfly.