whiteboard is queued for analysis. Crawling candidates and ranking them takes a few minutes. This page updates itself when the list exists — you can also come back later.
What is known so far comes from the other direction:
These projects were analysed and named whiteboard among their alternatives. The relationship is not symmetric — how whiteboard rates them is a separate judgement, made when whiteboard is analysed in its own right.
calls whiteboard “tiny self-hosted JS collaborative sketchboard; pick it when minimal footprint matters more than diagram and mind-map features”
开源白板工具（SaaS），一体化白板，包含思维导图、流程图、自由画等。All in one open-source whiteboard tool with mind, flowchart, freehand and etc.
calls whiteboard “Choose it when you want a minimal ready-to-host collaborative sketchboard rather than Excalidraw's embeddable package.”
Virtual whiteboard for sketching hand-drawn like diagrams