Open-source alternatives to Microsoft Visio

Desktop app for diagrams and flowcharts — Official electron build of draw.io

↔ alternative to Microsoft Visio、Lucidchart

Create and edit diagrams with AI and draw.io — A next.js web application that integrates AI capabilities with draw.io diagrams. This app allows you to create, modify, and enhance diagrams through natural language commands and AI-assisted visualization.

↔ alternative to Lucidchart、Microsoft Visio

CLI tool for rendering Mermaid diagrams — Command line tool for the Mermaid library

↔ alternative to Figma、Microsoft Visio

Desktop modeler for BPMN, DMN diagrams and forms — A modeling solution for BPMN, DMN, and Forms based on bpmn.io. As a companion tool to your favorite IDE it supports you in implementing solutions with Camunda.

↔ alternative to Microsoft Visio、Lucidchart

Simple tool for drawing UML diagrams quickly — Free UML Tool for Fast UML Diagrams

↔ alternative to Microsoft Visio、Lucidchart

Database diagramming and automation tool. — Open source database diagramming and automation tool

↔ alternative to Lucidchart、Microsoft Visio