AI Diagram Generation LLM Tools

Tools that generate technical diagrams (ERD, UML, architecture, flowcharts, etc.) from natural language descriptions or code using AI. Does NOT include general design tools, code visualization without diagram generation, or non-AI diagramming software.

There are 52 ai diagram generation tools tracked. 2 score above 50 (established tier). The highest-rated is usalu/semio at 54/100 with 16 stars.

Get all 52 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=llm-tools&subcategory=ai-diagram-generation&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

# Tool Score Tier
1 usalu/semio

🧩 Design-Information-Modeling for Kit-of-Parts 🏘️

54
Established
2 dtyq/magic

Super Magic. The first open-source all-in-one AI productivity platform...

51
Established
3 nilooy/flowgpt

Generate diagram with AI

48
Emerging
4 michaelzixizhou/codag

Visualize AI/LLM workflows in your codebase.

48
Emerging
5 swark-io/swark

Create architecture diagrams from code automatically using large language...

43
Emerging
6 gridaco/assistant

🤖 Bring your Figma design & development pipeline to the next level - with...

42
Emerging
7 fraserxu/diagram-gpt

Draw flowchart, sequence diagram, class diagram, user journey, gantt, C4C...

41
Emerging
8 luttje/mermaid-gpt

Generates an ERD or Class Diagram based on natural language input.

37
Emerging
9 tonny-2200/circuitry

Circuitry.ai is an open-source tool that combines computer vision and large...

37
Emerging
10 puneethkotha/humanizer-workbench

AI humanizer: CLI tool and Claude Code skill for rewriting AI-generated text...

36
Emerging
11 memvid/design-memory

Extract and reproduce design systems from any website using deterministic...

34
Emerging
12 Hakku/finnish-humanizer

27 patterns that make AI-generated Finnish sound human

34
Emerging
13 petekp/cluster-figma-plugin

AI powered sticky note & layer clustering for Figma & FigJam

33
Emerging
14 SATYAM-PRATIBHAN/arcmindAI

arcmindAI turns product ideas into complete system architectures using AI...

32
Emerging
15 ZAYUVALYA/AI-Text-Humanizer

ZAYUVALYA - AI Humanizer is a developing tool designed to rephrase...

31
Emerging
16 Bartmr/convert-js-to-ts

Convert your plain Javascript project to Typescript using AI

31
Emerging
17 mfoud444/UML-AI-Generator

The AI-Powered UML Diagram Generator is an advanced web application that...

31
Emerging
18 Ultimate-Multisite/ai-provider-for-any-compatible-endpoint

Connects WordPress 7.0's AI Client to any OpenAI-compatible endpoint...

29
Experimental
19 AlienHub/ChatMermaid

使用自然语言绘制流程图,基于OpenAI

27
Experimental
20 shyuan/writing-humanizer

Claude Code plugin:去除文章中的 AI 寫作痕跡,使文字更自然、更有人味。以台灣正體中文為主。

25
Experimental
21 osama96gh/Easy-Diagram-AI

Easy Diagram AI is an AI-powered diagramming tool that allows users to...

25
Experimental
22 numerique-gouv/blocknote-llm

A proof of concept of what can be done with the BlockNote editor based on...

24
Experimental
23 hacimertgokhan/locai

Local-first AI code editor — describe changes in plain language, review...

24
Experimental
24 HugoLopes45/llmstrip

Humanize AI-generated text and code — CLI, Claude Code skill, Cursor rule,...

24
Experimental
25 vortext/esther

Dear Esther, you're about to become an idea for a diary app that embeds an LLM.

24
Experimental
26 JAFisher/SoT

SoT Engine: Design systems as blueprints. Deploy them as code. Transform...

22
Experimental
27 isfanfajar31/archgraph

🏗️ Generate software architecture diagrams from Python code using GPT-5...

22
Experimental
28 mcp-tool-shop-org/websketch-ir

Compiles the noisy, deeply-nested HTML of any web page down to a small,...

22
Experimental
29 godrulla/imagineer

Enterprise design-to-LLM translation platform with Figma integration and...

22
Experimental
30 i-am-anshul/de-ai

Make AI-generated text sound human. Claude Code plugin.

22
Experimental
31 hamad-khawaja/diagram-ai

AI generated Architecture diagrams

22
Experimental
32 MapleGCM/LocalEditor

A privacy-first, local AI text editor powered by WebLLM. Runs entirely in...

22
Experimental
33 YUANXICHE98/TaskPilot

🚀 TaskPilot — AI Agent 调度指挥台 | 复杂项目 → AI 可执行任务 | 流式拆解 · 一键派发 · Kanban追踪 ·...

21
Experimental
34 petekp/diagrammaton.com

An account portal & backend for the Diagrammaton plugin for FigJam

21
Experimental
35 Voiler-XD/human

Build production-ready applications using a programming language designed...

21
Experimental
36 blockpilgrim/human-element

Automated daily wisdom blog pairing literary/philosophical passages with...

21
Experimental
37 HiteshBathla/superpowers

⚡ Enhance your AI coding with Superpowers—an essential skills library for...

21
Experimental
38 shihablabs/ai-code-explainer

🤖 An AI-powered tool to translate complex code snippets into plain,...

20
Experimental
39 jakecyr/gpt-text-to-diagram

Generate software design diagram images from plain text using GPT models.

19
Experimental
40 thenbthoughts/ai-notes-xyz-docs

Ai-Notes.xyz selfhost documentation

18
Experimental
41 agaraman0/Diagram-Magix

A simple tool to generate diagrams from descriptions

18
Experimental
42 Snide6526/Code2UML-GPT

A short python project that uses "gpt-3.5-turbo-16k" to reverse engineer UML...

17
Experimental
43 AI-Engineerings-at/wiki

AI Engineering Wiki — Enterprise Knowledge Base for AI, LLMs, Compliance &...

17
Experimental
44 DevsHero/mimicFlow

The Digital Mirror for AI Coding. Transform static diffs into cinematic,...

15
Experimental
45 Lucifer29-afk/Mermaid-AI-Diagram-Generator

🌐 Generate diagrams effortlessly with Mermaid AI Diagram Generator,...

14
Experimental
46 roshan-kamath/ai-system-design-visualizer

AI-powered system design visualizer — describe any system in plain English...

14
Experimental
47 AdaGursoy/BrainWave-AI

Functionized LLM instructions as markdown

14
Experimental
48 hamad-khawaja/diagram-web-ai

Frontend Webapp for Diagram-ai

13
Experimental
49 AtlasGeisler/humanwriter

AI-to-human writing pipeline. 24-pattern detection, 3D voice coordinates,...

13
Experimental
50 shreyvijayvargiya/clawdnote

LLM notes app

13
Experimental
51 PavelLaptev/figma-api-snapshot

Auto-updated LLM-ready datasets of Figma developer docs.

13
Experimental
52 buisihung11/SyArGPT

An AI Application that generate diagram from user system requirements, 2nd...

12
Experimental

Comparisons in this category