If you are a developer needing to sketch quick architectural ideas or brainstorm collaboratively, Excalidraw is your best choice. Its charming hand-drawn aesthetic encourages creativity and makes it easy to produce low-fidelity sketches without needing a polished finish. Furthermore, being free and open-source, you can self-host it and even work offline—ideal for rapid, informal brainstorming sessions or drawings.
On the other hand, if you're managing a large codebase and require deeper insights into the structure and relationships within your code, Graphify is the better pick. It transforms your codebase into a queryable knowledge graph, which is invaluable for understanding complex code dependencies and facilitating team collaboration. However, be mindful of the initial setup and command line usage, as it leans towards a more technical audience. If you prefer a graphic interface or need seamless integrations, this tool may not meet your needs.