Diagram editor

PlantText is an online tool that quickly generates images from text. Primarily, it is used to generate UML (Unified Modeling Language) diagrams. It is based on a text language called PlantUML.

Create Organically

6 Groups is a cross-platform app to build organigrams, family trees, and mind maps. It lets you create your own private group where you can share and collaborate with your contacts

No more hunting through files and folders, Constella surfaces related notes as you type on a visual canvas to help you build knowledge, do more with your notes, and become wiser. Effortlessly have everything at your fingertips with Constella.

JSON Crack Editor is a tool for visualizing into graphs, analyzing, editing, formatting, querying, transforming and validating JSON, CSV, YAML, XML, and more.

Discover Luna Modeler for efficient data modeling. Simplify database design, draw ERD and generate SQL. Explore Luna Modeler today!

Free and Open-source database diagrams editor, visualize and design your database with a single query. Tool to help you draw your DB relationship diagrams and export DDL scripts.

View and edit graphs. Contribute to SeaDve/Delineate development by creating an account on GitHub.

An extensible text-to-diagrams library that works in both browser and node.js - hikerpig/pintora

Simplify documentation and avoid heavy tools. Open source Visio Alternative. Commonly used for explaining your code! Mermaid is a simple markdown-like script language for generating charts from text via javascript.

Online database entity-realtionship diagram editor, data modeler, and SQL generator. Design, visualize, and export scripts without an account and completely free of charge.

Online database entity-realtionship diagram editor and SQL generator. Design, visualize, and export scripts without an account and completely free of charge.

Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.

A tool for drawing diagrams based on syntax. Supercharge you boxes and arrows.

yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, macOS, and Unix/Linux.

Free online diagram editor that runs on PCs/tablets and lets you quickly create, import, edit, and automatically arrange diagrams.

Quick and simple free tool to help you draw your database relationship diagrams and flow quickly using just keyboard

StarCharts

Network analysis & insights as easy as pie charts

NodeXL Graph Gallery, a collection of network graphs created by NodeXL.

Explore and visualize data. Share and publish your insights. Discover and be inspired.

Make your own custom map of the World, United States, Europe, and 50+ different maps. Color an editable map and download it for free to use in your project.

Vega is a declarative format for creating, saving, and sharing visualization designs. With Vega, visualizations are described in JSON, and generate interactive views using either HTML5 Canvas or SVG.

Create interactive, responsive & beautiful data visualizations with the online tool Datawrapper — no code required.

Typst package for drawing diagrams with arrows, built on top of CeTZ. - Jollywatt/typst-fletcher

A modern commutative diagram editor with support for tikz-cd.

Create beautiful diagrams just by typing notation in plain text. - penrose/penrose