Free, simple, and intuitive online database diagram editor and SQL generator.

Generate draw.io diagrams from natural language — 6 presets, vision self-check + up to 5-round refinement, codebase-to-diagram, 10,000+ official shapes & 321 AI/LLM brand logos. Exports PNG/SVG/PDF/JPG.

D2 is a modern diagram scripting language that turns text to diagrams.

Generate production-quality SVG+PNG technical diagrams from natural language. 7 styles, UML support, and AI/Agent workflow patterns.

AI skill for OpenClaw & Claude Code — recommend from 10000+ Nano Banana Pro (Gemini) image prompts. Smart search by use case, content remix, sample images.

A reusable skill kit for AI agents to generate structurally precise and aesthetically standardized draw.io diagrams across major cloud platforms and BPMN, with declarative layout, stencils, and validation.

A full-lifecycle Claude Code skill for creating, compiling, reviewing, and polishing academic Beamer LaTeX presentations with quality scoring and pedagogical audits.

Entity-Relationship Diagram Editor

Circular visualization in Python (Circos Plot, Chord Diagram, Radar Chart)

A reusable agent skill that converts natural language into validated Mermaid diagrams and renders them to PNG/SVG/PDF via multiple backends.

🍞📝 Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible.

Create original editorial technology covers with a controlled layout, custom diagram generation, and editable SVG or PNG output.