Alternatives to Microsoft Office Visio for all platforms with Open Source License

draw.io

draw.io is a free online diagram drawing application for workflow, BPM, org charts, UML, ER, network diagrams. No login or registration are required and features include the ability to save locally (including svg), a range of stencils, .vsdx, Lucidchart and Gliffy import and real time diagram sharing.

Free Open Source Web Self-Hosted Chrome
Auto aligment rulers Google Chrome extension Document templates Sync with Dropbox ... Sync with Google Drive Interior Design Multiple export options Office Online integration Works Offline Export to PDF Svg export Website wireframing Add a feature

518 Like
- It is very convenient and contains many features. makerj • Mar 2017 • 8 agrees and 5 disagrees
- It's really easy to use, and has so many features for a web app. Guest • Jun 2017 • 3 agrees and 2 disagrees
- It's free and includes many of the same features. Guest • Sep 2017 • 3 agrees and 3 disagrees
- It's free, ease of use, I can use it online Guest • Nov 2017 • 1 agrees and 1 disagrees
Pencil Project

Pencil is a standalone app or Firefox extension that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features. The Pencil Projects unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use.

Free Open Source Mac OS X Windows Linux PortableApps.com Electron / Atom Shell ... Firefox
Cliparts Firefox extension Wireframing Add a feature

321 Like
- Does not map network layout easily enough, which is what Visio was designed to do from the start Guest • May 2017 • 3 agrees and 0 disagrees
- Visio is a native application while Pencil is a webpage disguised as an application, with the usual drawbacks, like poor performance and OS integration, etc... Guest • Jul 2017 • 2 agrees and 2 disagrees
Dia

Dia is a GTK+ based diagram creation program for Linux, Unix, Mac OS X and Windows released under the GPL license. Dia is roughly inspired by the commercial Windows program Microsoft Office Visio, though more geared towards informal diagrams for casual use. It can be used to draw many different kinds of diagrams. It currently has special objects to help draw entity relationship diagrams, UML diagrams, flowcharts, network diagrams, and many other diagrams.

Free Open Source Mac OS X Windows Linux PortableApps.com FreeBSD ... Xfce DragonFly BSD NetBSD OpenBSD
Lightweight WYSIWYG Support Add a feature

384 Like
- Discontinued No new versions since 2011. Last release, 0.97.2, can be still downloaded from the official website.
- Dia has no cross platform copy paste capability. Guest • Oct 2016 • 4 agrees and 3 disagrees
LibreOffice - Draw

Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, general posters, and much else.

Free Open Source Mac OS X Windows Linux BSD PortableApps.com
Portable Export to PDF Add a feature

201 Like
- Can draw flowcharts and diagrams with almost all the features of Visio. You can drag a box, press F2, and start typing, for example. Guest • Sep 2017 • 1 agrees and 0 disagrees
- It's free and open source, while Visio is proprietary and expensive. Guest • Nov 2017 • 1 agrees and 0 disagrees
PlantUML

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others. Mostly based on Graphviz. Can render various diagram syntax such as PlantUML, Dot, and Ditaa.

Free Open Source Mac OS X Windows Linux Web Android ... Chrome OS
Create UML entities Portable Text Based Format VCS Friendly Add a feature

78 Like
Apache OpenOffice Draw

Draw, part of the Apache OpenOffice suite, is a graphics editor that gives you the tools to communicate with visuals and diagrams. With a maximum page size of 300cm by 300cm, Draw is powerful tool for posters, graphs, charts, and more.

Free Open Source Mac OS X Windows Linux
Desktop publishing Add a feature

106 Like
UMLet

UMLet is an open-source UML tool with a simple user interface: draw UML diagrams fast, export diagrams to eps, pdf, jpg, svg, and clipboard, share diagrams using Eclipse, and create new, custom UML elements. UMLet is a UML tool aimed at providing a fast way of creating UML diagrams. UML elements are modified using text input instead of pop-up dialogs. Elements can be modified and used as templates; this way, users can easily tailor UMLet to their modeling needs.

Free Open Source Windows
Content Templates Drag n drop Add a feature

29 Like
- Easier to use, more flexible, individual tool set for every type of diagram. Guest • May 2017
ThinkComposer

Create deep visual documents, adaptable and multi-level diagrams, flowcharts, concept maps, mind maps and models. Users can: - Define their own types of nodes and connectors, to reuse nomenclature, symbols, details structure. - Add Details to your Ideas (attachments, links, custom-fields, tables) - Ideas can have a whole new diagram inside (multilevel/composable) - Can generate a report for the whole Composition document. - Reports are exportable as PDF/XPS and to HTML.

Free Open Source Windows
Extensible by Plugins/Extensions Add a feature

22 Like
Diagramo

Diagramo is an online flowchart software - diagrams (create, edit and share) - organization charts (create, edit and share) - network diagrams (create, edit and share) - graphs (create, edit and share)

Free Open Source Web
Export to PNG Add a feature

15 Like
Calligra Flow

Calligra Flow is an easy to use diagramming and flowcharting application with tight integration to the other Calligra applications. It enables you to create network diagrams, organisation charts, flowcharts and more.

Free Open Source Mac OS X Windows Linux BSD
No features added Add a feature

19 Like
Umbrello

Umbrello UML Modeller is a Unified Modelling Language diagram programme for KDE. UML allows you to create diagrams of software and other systems in a standard format.

Free Open Source Mac OS X Windows Linux
No features added Add a feature

29 Like
PathVisio

PathVisio is a free open-source pathway analysis and drawing software that allows drawing, editing and analysing biological pathways. It provides a basic set of features for pathway drawing, analysis and visualization. Additional features as plugins.

Free Open Source Web
No features added Add a feature

4 Like
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diagrams

Diagrams is a powerful, flexible, declarative domain-specific language for creating vector graphics, using the Haskell programming language.

Free Open Source Mac OS X Windows Linux
No features added Add a feature

4 Like
UMLGraph

UMLGraph allows the declarative specification and drawing of UML class and sequence diagrams. The current features are part of an ongoing effort aiming to provide support for all types UML diagrams.

Free Open Source Mac OS X Windows Linux
No features added Add a feature

2 Like
Dynamic Draw

Dynamic Draw is useful for general drawing purposes. For example, drawing a illustration, specification and so on.

Free Open Source Windows Linux
Class Diagrams Portable Add a feature

0 Like