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Ranked on the record · 44 apps

Best Diagramming Software 2026

Diagramming software helps you create diagrams, from timelines to other diagram types. This guide is for buyers comparing tools for personal, team or work projects.

Compare free plans, starting prices, collaboration, diagram types, desktop apps, offline editing, file formats and editor seat limits. The list order changes, so use those details to find a fit.

01

EdrawMax

by EdrawMax

EdrawMax is diagram software for web, Windows, macOS, Linux, Android and iOS.

Free plan Free trial From $5.90 a month, billed yearly AndroidiPhone & iPadWebWindowsMacLinux
Record6.6 Visit site The record
02

Structurizr

Structurizr is open-source diagram software for system landscapes, containers and deployment views.

WebWindowsMac+3
Record6.3 Visit
03

Ilograph

Ilograph is diagram software available on the web, desktop and self-hosted environments, with a free plan.

WebWindowsMac+3
Record6.0 Visit
04

SmartDraw

SmartDraw is paid diagram software for web, desktop and mobile, with real-time collaboration.

AndroidiPhone & iPadWeb+4
Record6.0 Visit
05

Sparx Enterprise Architect

It suits analysts, designers, architects, developers, testers, project managers, and maintenance staff working with business, software, or systems models.

WebWindowsMac+3
Record6.0 Visit
6
Preceden

Preceden is timeline software for the web, Android and iOS, with Gantt charts and project roadmaps.

AndroidiPhone & iPadWeb $10 a month, billed yearly Record5.7 Visit
7
Camunda

Camunda coordinates work across people, AI agents, systems and devices in business processes.

WebWindowsMac+3 Free plan Record5.6 Visit
8
Creately

Creately is diagram software for the web and self-hosted environments, with a free plan and trial.

WebWindowsMac+3 Free plan Record5.6 Visit
9
draw.io

draw.io creates flowcharts, network diagrams and other visuals in a browser or app, with live collaboration.

AndroidiPhone & iPadWeb+3 Free plan Record5.6 Visit
10
Mermaid

Mermaid is an open-source JavaScript tool that renders text definitions into diagrams and visualizations.

WebWindowsMac+4 $10 a month, billed yearly Record5.6 Visit
11
Software Ideas Modeler

Software Ideas Modeler suits software and process designers who work with structured diagrams, models, or source code.

WindowsMacLinux+1 $59 one-time Record5.6 Visit
12
Cacoo

Cacoo is web-based diagram software with a free plan and a 14-day trial.

WebAPISelf-hosted $6 a month Record5.5 Visit
13
Gluu

Gluu is paid process software available on the web, Android and iOS, with an API.

AndroidiPhone & iPadWeb+1 €2 a month, billed yearly Record5.5 Visit
14
Hava

Hava runs on the web, through an API, or self-hosted to diagram cloud and container setups.

WebAPISelf-hosted $59 a month, billed yearly Record5.3 Visit
15
IcePanel

IcePanel is a web and API diagramming tool with real-time collaboration.

WebAPI $40 a month, billed yearly Record5.3 Visit
16
Microsoft Visio

Microsoft Visio is diagramming software for macOS, the web, and Windows.

WebWindowsMac $5 a month, billed yearly Record5.3 Visit
17
MyDraw
WebWindowsMac $36 a year Record5.3 Visit
18
StarUML
WindowsMacLinux+1 $129 one-time Record5.3 Visit
19
UMLet

UMLet is free diagramming software for web, desktop, and browser-extension use, including UML diagrams.

WebWindowsMac+2 Free plan Record5.3 Visit
20
Gliffy

Gliffy is web-based diagram software for flowcharts, UML, network diagrams and more.

Web $2.80 a month Record5.2 Visit
21
Visual Paradigm

Visual Paradigm is web-based diagram software for UML, flowcharts, BPMN and cloud architecture.

Web $4 a month, billed yearly Record5.2 Visit
22
OmniGraffle

OmniGraffle is paid diagram software for macOS and iOS, with a 14-day trial.

iPhone & iPadMac — Record5.1 Visit
23
Vexlio

Vexlio creates browser-viewable diagrams with shape popups for text, images, code, tables, or sub-diagrams.

WebSelf-hosted $18 a year Record5.1 Visit
24
Eraser

Eraser is diagram software for technical teams, with flowcharts, cloud architecture and sequence diagrams.

WebBrowser extensionAPI+1 $15 a month, billed yearly Record5.0 Visit
25
Lucidchart

Lucidchart is web and mobile diagram software with real-time collaboration and support for flowcharts and UML.

AndroidiPhone & iPadWeb Free plan Record5.0 Visit

Before you choose

Match the tool to your diagrams

Start with the diagram types you need. Preceden is one option to consider for timelines; compare the diagram types listed for other tools before choosing.

Check where you can work

Compare platform availability with your devices and setup. The list tracks web, Windows, macOS, Linux, self-hosting and API availability.

If you need to edit without an internet connection, check the offline-editing details. Desktop apps and offline editing are separate comparison points.

Consider collaboration and seats

For shared work, compare real-time collaboration and the editor seat limit. These details can help you assess whether a tool fits the way your group works.

Compare cost and file options

Check for a free plan, a free trial and the published starting price before choosing. draw.io is listed with a free pricing model, while ClickCharts has a free plan.

If you need to bring diagrams in or export them, compare the listed import and export formats.

Questions

What should I compare in diagramming software?
Compare free plans, starting prices, real-time collaboration, diagram types, desktop apps, offline editing, import and export formats, and editor seat limits.
Can I find diagramming software with a free plan?
The list includes free-plan details. draw.io is listed with a free pricing model, and ClickCharts is listed with a free plan.
Which platforms does the list cover?
The platform comparison covers web, Windows, macOS, Linux, self-hosted options and API availability.
Does a desktop app mean I can edit offline?
Desktop apps and offline editing are separate comparison points. Check both details for the tool you are considering.
How can I compare tools for team use?
Review real-time collaboration and the editor seat limit to see how each tool supports shared work.

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