You can also develop SWF flash files of your drawings. However, it requires the installation of OpenOffice on the system. Inkscape is a free and open-source vector graphics editor that enables flowcharts and data flow diagrams.
It offers shape tools like rectangle, star, ellipse, spiral, and the control bar parameters for editing. This open-source diagramming software is possible to use any installed outline fonts for text, including right-to-left scripts.
You can draw exactly what you need onto the Inkscape canvas via freehand drawing tools. Other options include grouping objects, gradient editor, embedded bitmaps, and so on.
Pencil is an open-source GUI prototyping software with a user-friendly interface that anyone can use, from beginners to experts. It offers built-in shapes collections for UI designs and flowcharts. The software supports connectors to wire shapes together in a diagram. Other features include drag-and-drop editing, template libraries, data linking, and so on.
The mobile version of this alternative for Visio comes with UI stencils, shapes, and status bars to prototype on the go. Graphviz graph visualization software is well suited to network diagrams, machine learning, database connections, bioinformatics, and so on. You can enter large amounts of data and generate diagrams quickly. If you learn to use the command line and DOT language for creating figures, you can save a lot of time in the long run.
This open-source Microsoft Visio alternative supports basic styling and formatting tools, apart from custom shapes, hyperlinks, and tabular node layouts. It provides custom shapes, styling, and formatting tools. In addition, you can add the shapes that are most often used in the Scratchpad library. You can also search for Clipart shapes in the online version. A grid is displayed in the drawing canvas by default to help users align and space shapes clearly.
Calligra Flow allows users to develop network diagrams, flowcharts, entity-relation diagrams, and so on. Its interface is similar to MS Visio. It is lightweight, fast, and acts as a framework where all components build on.
There are predefined shapes such as stars, circles, rectangles, among others. This Microsoft Visio open-source alternative has an advanced path editing tool with on-canvas editing capabilities. Calligra Flow software supports connections between shapes as well as text on path. It also supports different styling and formatting tools. You can add features through additional plugins or scripts. The free version lets you add up to three collaborators. Quite naturally, this restriction is removable if you upgrade to the paid versions.
Like any other diagramming tool, Creately limits some of the features like Visio files import and SVG export in the free plan. The beauty of Pencil Project lies in the fact that it's free desktop software.
For an open source project, Pencil has a pretty clean interface with all the necessary tools. It allows you to create mockups for almost everything — mobiles, web pages, and even conventional flowcharts and diagrams. The controls are quite straightforward. Double click to rotate the elements and single click to resize them. If I were to compare it to the above tools, I'd say that the icons may not be as sharp or colorful. However, those are some of the trade-offs if you are looking for a completely free diagramming tool.
As far as the templates are concerned, the options are limited to creating wireframes, GUI, and flowcharts. You won't find any fancy templates for infographics, family tree or network diagram.
From standard charts and flowcharts to entity relationship diagrams and UML diagrams, you can play with a lot of templates in this online tool. The best thing is that you don't even need to register. Simply open the site, select the templates and start working. Plus, it also supports embedded URLs. All you have to do is click on an element and all the necessary formatting options like font, color, style are accessible through the menu on the right.
Since it's also a desktop software , you won't find many ready-made templates. But let me tell you that it is by far one of the best free tools for creating charts, flowcharts, and diagrams of computer networks. Plus, working on this tool is relatively easy. Get ready to create diagrams with EdrawMax. Try it Free! Popular Now. Free Mind Map Software. Basic Electrical Symbols and Their Meanings. What's a Program Flowchart? Flowchart Symbols and Their Usage.
But, unlike what you get with Visio, you can also use yEd to import ready-made graphic content and tweak it or use it for data or process analysis. The fact that you can also import projects from Visio makes it easy for Visio users when they need to transition to the yEd platform.
For instance, if a flowchart design gets too unwieldy due to a lot of data that you may have incorporated, you can use yEd to automatically navigate and control the branch directions. Compared with the Visio user interface, Dia Diagram Editor may appear to be a much more basic diagramming tool. However, as far as a free replacement for Visio goes, Dia is among the best options to consider depending on your needs. As unattractive as the Dia UI may appear, many of its users appreciate a wide array of its applications as being adequate for a free tool.
All these are available for absolutely free. However, this is not without its opportunity costs. For instance, there is no support for Dia users, unlike Visio users who can reach out using many options such as email, phone, and chat and are supported with FAQs, a rich knowledge base, and many video tutorials.
Continuity is a downloadable desktop diagramming app. Of all the diagramming tools we sampled, none gives attention to model building as Continuity does.
At the same time, none is able to produce the same quality output both on screen and on paper as this app does. Perhaps, the most visible advantage of Continuity over Visio is pricing. So far, however, the collaborative outlook of Continuity is still limited compared to Visio. Unlike MS Visio, LibreOffice Draw is freely available and is backed by a community of developers that ensure it is regularly updated. This is the sense in which it is categorized as open-source.
However, LibreOffice Draw is not built for real-time collaboration between remote teams or team members. But an upside to this is that this software runs completely offline, which is an advantage in case your internet connection is poor or if you are in an offshore location without internet coverage. Another edge that LibreOffice Draw has over Visio is its versatility of deployment. While we do not recommend this software for sophisticated or highly professional use cases, it is among the best available options for beginners and those whose jobs only require simple diagrams from time to time.
Upon a visit to the ASCIIFlow platform , you are immediately presented with a simple interface that spots selection functionality, free form elements, shapes, arrows, lines, texts, and more that are readily available for your design needs.
The beauty of tech is an improvement. Then, competition tops the list of the factors that fuel that improvement. As a result, we had a really tough time trying to decide which of these diagramming options could be a worthy open-source replacement for age-old Visio to help those who are looking to spend less and still get design values that are enough to meet their needs or those who are looking to share ideas.
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