---
# System prepended metadata

title: Online Diagramming Tools
tags: [Tech, Tool, Diagram]

---

# Online Diagramming Tools

A curated list of online tools for creating diagrams, whiteboards, and visual collaborations. These tools are useful for brainstorming, project planning, data modeling, and more.

- **[tldraw](https://tldraw.com/)** →  A free and instant collaborative whiteboarding tool.
- **[Excalidraw](https://excalidraw.com/)**  →  Excalidraw is a virtual collaborative whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
- **[Eraser IO](https://eraser.io/)**  →  Create technical diagrams using AI. Deliver consistent, accurate designs faster.
- **[drawDB](https://drawdb.app/)**  &rarr  Online database entity-realtionship diagram editor, data modeler, and SQL generator. Design, visualize, and export scripts without an account and completely free of charge.
- **[OkSo](https://okso.app/)**  →  The drawing app to express, grasp, and organize your thoughts and ideas.
- **[Mural](https://mural.co/)**  →  Increase connection and teamwork with our secure, flexible visual work platform. Make it a mural, not a meeting.
- **[draw.io](https://app.diagrams.net/)**  → A free online diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams.
- **[Miro](https://miro.com/)**  →  Miro is the innovation workspace where teams manage projects, design products, and build the future together. Join 80M+ users from around the world.