OmniGraffle is described as 'Can help you make eye-popping graphic documents—quickly—by providing powerful styling tools, keeping lines connected to shapes even when they’re moved, and magically organizing diagrams with just one click' and is a very popular Diagram Editor in the office & productivity category. There are more than 100 alternatives to OmniGraffle for a variety of platforms, including Web-based, Windows, Mac, Linux and iPad apps. The best OmniGraffle alternative is draw.io, which is free. Other great apps like OmniGraffle are Penpot, Pencil Project, Excalidraw and LibreOffice - Draw.
Lucidchart is a cloud-based platform that promotes teamwork through diagramming, collaboration, and data visualization. It serves millions worldwide, offering flowcharts, UML, real-time collaboration, Visio support, and browser access. Designed for innovation and understanding, it integrates easily into workflows.
Feature-rich diagram editor offering privacy-focused, ad-free experience with real-time collaboration, offline usage, dark mode, and cloud storage support. No registration required and compatible with various diagram formats, it excels in simplicity by not tracking user data.
Open-source design platform offering web-based and self-hosted workflows, code inspection in HTML and CSS, adaptive layouts with CSS Grid and Flex, real-time collaboration, auto layout features, reusable components, design tokens, layer support, plugins, and no tracking.
Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.
Excalidraw is an open-source whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them. Available directly online as a web app and also through CodeSandbox to easily see how the code works, and the app is available for self-hosting.
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.
yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data sets by just pressing a button. You can use yEd to quickly create flow charts, BPMN and UML diagrams...
Cross-platform mind mapping and brainstorming tool offering multi-language support, real-time collaboration, visual templates, markdown and audio notes, cloud sync, device compatibility, file export, and regular feature updates for diverse productivity needs.
Doesn't serve the same purpose. It's mindmapping app.
This alternative is disputed. Xmind is a legitimate OmniGraffle alternative, but it might have issues that some users think are important.
Open-source diagram editor supporting Linux, Windows, Unix, and Mac OS X, with features for constructing entity relationship, UML, flowchart, and network diagrams, customizable with XML-defined shapes, extensibility, and a GTK+-based graphical user interface.
Lucidchart is a cloud-based platform that promotes teamwork through diagramming, collaboration, and data visualization. It serves millions worldwide, offering flowcharts, UML, real-time collaboration, Visio support, and browser access. Designed for innovation and understanding, it integrates easily into workflows.
Create data-connected diagrams with real-time collaboration as part of the Office Suite. Ideal for IT and business professionals, it visualizes complex info with ease, providing intuitive tools for diagramming, mind mapping, and vector graphics.
Efficient web-based tool for constructing high-quality commutative diagrams. Offers LaTeX export with embedded links, intuitive interface supporting both mouse and keyboard inputs, and features like multiple selections, macro support, and smart label alignment.
Sketch your app ideas without stress Make hand-drawn style wireframes quickly and easily.
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Xmind only does mind maps. Omnigraffle does many other types of diagram.