The best tools for Diagramming

For diagramming, tldraw is your best pick. Its polished infinite canvas allows for real-time collaboration, making it ideal for teams needing to work together on complex diagrams seamlessly. The "make real" feature is particularly useful for developers and product teams who want to translate their sketches into functional user interfaces, which gives it an edge for those building canvas apps.

While Excalidraw has a charming hand-drawn aesthetic that suits quick brainstorming and sketched architecture, it lacks the collaborative features and functionality of tldraw. If you're primarily working solo or need a tool for rough sketches without the need for real-time team input, Excalidraw could be a good alternative, but tldraw will likely serve better for most diagramming needs.