5 alternatives to mermaid

mermaid-js/mermaid — Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown (90,792 stars, MIT, ui, dev-tools, database).

These are the closest projects in the JustClaw-It index that we serve licence-cleared code from, ranked by relevance and by our code-quality score (1–10, the mean over each repo's graded components: completeness, code quality, deployability, reusability, strategic value). JustClaw-It also serves 511 licence-cleared components from mermaid-js/mermaid itself.

The alternatives in detail

• excalidraw/excalidraw
  Virtual whiteboard for sketching hand-drawn like diagrams
  score 7.0/10 · MIT permissive · 134,602 stars · 483 components · search them
• dayuanjiang/next-ai-draw-io
  Draw and edit draw.io diagrams by chatting with an AI. Web app, desktop app, and an MCP server for Claude Code, Cursor, Codex and VS Code.
  score 5.2/10 · Apache-2.0 permissive · 36,406 stars · 242 components · search them · alternatives
• plait-board/drawnix
  开源白板工具（SaaS），一体化白板，包含思维导图、流程图、自由画等。All in one open-source whiteboard tool with mind, flowchart, freehand and etc.
  score 5.6/10 · MIT permissive · 14,982 stars · 108 components · search them
• tt-a1i/archify
  Turn any idea, plan, or codebase into a beautiful interactive diagram. An agent skill for Claude Code, Codex, and more.
  score 6.2/10 · MIT permissive · 87,431 stars · 159 components · search them · alternatives
• oh-my-mermaid/oh-my-mermaid
  Turn complex codebases into clear, navigable architecture diagrams with Claude Code.
  score 6.7/10 · MIT permissive · 3,214 stars · 42 components · search them

Licence data: JustClaw-It's per-repo licence policy. Is mermaid still maintained? Check it. Licence details: licence checker. Ranking data from 2026-10-27T23:04:12Z.