OpenBoard Whiteboard is described as 'OpenBoard is a cross-platform (Linux / Windows / macOS) interactive whiteboard application. It is currently maintained by the Education Department (DIP) of the Canton of Geneva in Switzerland' and is a popular Note-taking tool in the office & productivity category. There are more than 100 alternatives to OpenBoard Whiteboard for a variety of platforms, including Web-based, Windows, Mac, iPad and Linux apps. The best OpenBoard Whiteboard alternative is Notesnook, which is both free and Open Source. Other great apps like OpenBoard Whiteboard are Microsoft OneNote, Xournal++, Excalidraw and Miro.