A mind map is a hierarchy that happens to be drawn radially, so it is a natural fit for boards where any branch can open into its own map. Start from one of these instead of from an empty canvas.
Browse real flowcharts made with Gramit. Open any one of them in the editor, change it, and keep it. Free, no account needed.
Real system design diagrams you can open, explore level by level, and edit. Free and editable, no account needed.
Software architecture diagrams with real depth: every component opens into its own board. Free to open and edit.
Cloud architecture and infrastructure diagrams you can open and edit for free. AWS, networking, deployment topologies and more.
Entity relationship diagrams and database schemas you can open, edit and export. Free, no account needed.
Network topology diagrams you can open, edit and export for free. No account, no signup wall.
Organisation charts you can open, edit and export for free. No account needed.
Nothing here quite right? Start from an empty board.