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ChartDB
✓ verifiedFreemium
Open-source database diagram editor that visualizes schemas from one query and generates DDL, with AI and collaboration.
130K visits/mo
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Napkin AI
✓ verifiedFreemium
Turns written text into editable business visuals—diagrams, flowcharts, mind maps and charts—without prompting.
1.8M visits/mo63K saves
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Whimsical
✓ verifiedFreemium
A collaborative visual workspace for creating flowcharts, mind maps, wireframes, and boards with AI-assisted diagram generation.
1.4M visits/mo6.9K saves
Pricing
No public pricing
No public pricing
Free: $0/month/editor (3 boards, 3 teams, 10 guests, 7-day version history)
Pro: $10/month/editor (unlimited boards, 6 teams, 50 guests, 90-day version history)
Business: $20/month/editor (SSO/SAML, unlimited teams, 200 guests, unlimited version history)
Core features
- ✦Instant schema import via one query
- ✦Editable ER diagrams
- ✦DDL export in multiple SQL dialects
- ✦AI diagram generation
- ✦Real-time collaboration
- ✦Cloud or self-hosted
- ✦Text-to-visual generation without prompts
- ✦Editable diagrams, charts and mind maps
- ✦Full color and element customization
- ✦Export to PPT, PNG, PDF, SVG
- ✦Team collaboration and real-time editing
- ✦60+ languages
- ✦AI-generated flowcharts from a text prompt
- ✦AI-generated mind maps that auto-branch from an idea
- ✦Real-time multiplayer editing and commenting
- ✦Drag-and-drop wireframe building
- ✦Expert-made templates library
- ✦Version history with restore capability
- ✦Video and image embedding from Loom and YouTube
Use cases
- →Visualize an existing database
- →Design and edit schemas
- →Generate DDL migration scripts
- →Document a database for a team
- →Building presentation slides
- →Illustrating blog posts and docs
- →Creating social media graphics
- →Visualizing concepts for teaching
- →Mapping out product workflows and user journeys visually
- →Brainstorming and organizing ideas with AI-generated mind maps
- →Building low-fidelity wireframes for new product features
- →Collaborating live with a team on shared diagrams and boards
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