Best Diagram.codes Alternatives & Competitors in 2024

Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

Open Source

Kimp is an unlimited design company, specializing in graphic design (including print and digital designs, custom illustrations, landing page designs and email designs) and video design.

Try for free Free Trial $599.0 / Monthly

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

Online diagramming application

Open Source

LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.

Looking for an affordable software with Enterprise Architecture tool, PMBOK tool, UML tool, Agile tool, BPMN tool and UX tool? Read this page for details.

Using gleek.io you can quickly map out systems using easy-to-understand syntax, without the need to drag and drop. Give gleek.io a spin and leave cumbersome mouse-clicking behind.

freemium €10.0 / Monthly

Draw, LibreOffice, ODF, open standards, creative software, vector drawing

Clean and fast online sequence diagram tool using scripting and Drag and Drop

WebSequenceDiagrams is a web-based application that allows the user to use a proprietary language to define sequence diagram.

Swimlanes.io is a simple free online tool for making sequence diagrams.

Simplify and communicate complex information using data-linked diagrams.

UMLet - Free UML Tool for Fast UML Diagrams