Gaphor

9 likes

Gaphor is a WYSIWYG (What You See Is What You Get) UML and SysML modeling environment easy to use that will help you create your applications.

Cost / License

Free
Open Source

Application typeApplication types

Origin

Netherlands
EU

Platforms

Mac
Windows
Linux

Gaphor alternatives

9likes

16alternatives

0articles

Features

Properties

Lightweight
Privacy focused

Features

Dark Mode
SysML
Export to SVG
Python-based

Gaphor News & Activities

Highlights All activities

Recent News

No news, maybe you know any news worth sharing?

Share a News Tip

Recent activities

romyr1717 added Gaphor as alternative to Excalidrawz
6 days ago
thecrabagenda liked Gaphor
about 2 months ago
ultimateownsz liked Gaphor
7 months ago
MCQ333 liked Gaphor
10 months ago
actellim added Gaphor as alternative to Lucidchart
11 months ago
jrmz reviewed Gaphor
★★★★★
11 months ago
Probably the best uml software i have tested so far, cannot export class diagram to code structure but there is no good open source software to do that properly
actellim reviewed Gaphor
★★★★★
11 months ago
Clean UI and good design support.
actellim added Privacy focused as a feature to Gaphor
11 months ago
actellim added Dark Mode as a feature to Gaphor
11 months ago
actellim liked Gaphor
11 months ago

Miro

A scalable tool for real-time and asynchronous team collaboration across devices with an infinite canvas, suitable for strategy planning and real-time feedback.

Learn More

Comments and Reviews

Top Positive Comment

elQuero

★★★★★

Dec 4, 2021

Is really lightweight and straightforward, useful for designing modest models without a steep learning curve. Its file format is XML based, so you could track it via VCS!

actellim

★★★★★

Oct 24, 2025

Clean UI and good design support.

Review from a new or low-activity account — shown here, but not counted in the app rating.

jrmz

★★★★★

Nov 30, 2022

Probably the best uml software i have tested so far, cannot export class diagram to code structure but there is no good open source software to do that properly

Featured in Lists

What's on my 2024 Linux Laptop

A list with 52 apps by amenthes without a description.

List by amenthes with 52 apps, updated Apr 19, 2026

Official Links

AppStores & Other Links

What is Gaphor?

Gaphor is a WYSIWYG (What You See Is What You Get) UML and SysML modeling environment easy to use that will help you create your applications. You are able to create nice UML diagrams while it assists you with design decisions. Supports models composed by multiple diagrams and allows to share objects between the. And diagrams are styleable with a CSS-like language!