GoodNotes, CollaNote, Drawboard PDF, Microsoft Whiteboard, Excalidraw, Stylus Labs Write, Xournal++, SMART Notebook, ActivInspire, Explain Everything, Jamboard, Presentify, Whiteboard Team, Stormboard, Coccinella, Groupboard, Butterfly, Conceptboard, Scribblar, Streamlit, IDroo, mozaBook, whitebophir, Twiddla, Edme, IPEVO Whiteboard, Gynzy, Ideaflip, Kinopio, Dash by Plotly, MrWriter, LiveBoard, Kids Whiteboard Drawing App, Vor Board, Lorien, Cnverg, Limnu, Scribble Together Whiteboard, WrittenUp, WebWhiteboard, ShowDocument are some alternatives to OpenBoard Whiteboard.