mermaid-js/mermaid Alternatives

Choose it for mature UML support and a JVM-based engine with PlantUML syntax.

Generate diagrams from textual description

Text-based diagram tool with similar scope; choose it for a JS/TS native alternative with its own syntax.

The diagramming tool for flowcharts, mindmaps, user flows, network & cloud diagrams, and more!

Modern text-to-flowchart tool with interactive editor; choose for fast flowchart prototyping.

Easily generate flowcharts and diagrams from text ⿻

Text-based UML renderer with a simple syntax; choose for lightweight UML diagrams without Mermaid's full feature set.

The sassy UML diagram renderer

Choose it when you need one HTTP API over many diagram engines, including Mermaid; heavier server setup.

Creates diagrams from textual descriptions!

Choose it in a Go codebase where diagrams are generated from Go models rather than text.

Create your software architecture models and diagrams in Go.

Choose it when you want a Clojure data model and PlantUML output for C4/UML; extra modeling layer.

Overarch provides a data model for the holistic description of a software system, opening multiple use cases on the model data. Supports C4 and UML diagram generation with PlantUML.

Imperative JS API for building flowcharts; choose when you need programmatic control over every element.

A developer-friendly library for creating flowcharts and diagrams.

React component library for interactive diagrams; choose when building a React app and don't need text syntax.

💎 A collection of lightweight React components and hooks to build diagrams with ease 💎

TypeScript code-defined diagrams; choose for type-safe diagram generation in TS.

Create diagrams and plan your code with TypeScript.

Dependency-free JS library for building flowchart editors; choose when you need a custom editor UI.

Dgrm.net - flowchart editor. Works on desktop, phone and tablet. Has no dependency. Pure JavaScript.

SVG diagramming library for interactive work; choose when building rich diagram editors.

A proven SVG-based JavaScript diagramming library powering exceptional UIs

Minimal JS library for drag-and-drop flowcharts; choose for simple interactive flowchart UIs.

The minimal javascript library to create flowcharts ✨

Vue 3 flowchart component with zoom/pan; choose when your stack is Vue and you need interactive diagrams.

A highly customizable Flowchart component for Vue 3. Features seamless zoom & pan 🔎, additional components like a Minimap 🗺 and utilities to interact with state and graph.

Go library for programmatic system diagrams; choose for cloud-architecture diagrams in Go.

Create beautiful system diagrams with Go

JS diagramming library for graph editors; choose when you need SVG/HTML based interactive diagrams.

🚀 JavaScript diagramming library that uses SVG and HTML for rendering.

Same text-to-diagram idea but abandoned for years; a stale fallback.

Generate Flowcharts, Network Sequence Diagrams, GraphViz Dot Diagrams, and Railroad Diagrams

Specialized sequence-diagram text renderer; stale and narrower than Mermaid.

Draws simple SVG sequence diagrams from textual representation of the diagram

Agent skill that produces self-contained HTML diagrams; not a reusable library.

Agent skill for beautiful, verifiable architecture, workflow, sequence, data-flow, and lifecycle diagrams—self-contained HTML with motion and crisp export.

AI-agent skill for creating draw.io files; not a code integration library.

Generate draw.io diagrams from natural language — 11 presets (UML, SysML/MBSE, BPMN, network, C4…), 36 tools: codebase/CI/infra-to-diagram, image→editable diagram, mind maps, build-up animation, exec-view compression, click-through runbooks, PR diff bot. Vision self-check, 10,000+ shapes. Exports PNG/SVG/PDF/JPG.

Standalone GUI UML tool; not scriptable from a codebase.

Free UML Tool for Fast UML Diagrams

Desktop/local AI diagramming app, not a library.

100% Free, Open-source local-first AI diagramming for architecture diagrams and flowcharts with animated exports.