Excalidraw is described as '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 vailable for self-hosting' and is a very popular Diagram Editor in the photos & graphics category. There are more than 50 alternatives to Excalidraw for a variety of platforms, including Web-based, Windows, Mac, Linux and Android apps. The best Excalidraw alternative is draw.io, which is free. Other great apps like Excalidraw are Xournal++, LibreOffice - Draw, Miro and Dia.
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.
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.
Google Drawings, part of Google Drive, allows users to collaborate creating, sharing, and editing images or drawings. It can be used for creating charts, diagrams, designs, flow-charts, etc.
Vectr is a free graphics editor. Vectr is collaborative like Google Docs, and runs in your web browser. With an intuitive interface, Vectr is easy to learn and use.
Mindomo is the easiest online software for creating mind maps, concept maps, outlines and various other types of diagrams. The following features make it the perfect choice both for business and education:
OmniGraffle 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.
Open-source PWA for isometric 3D diagramming with offline use, no sign-in, React and Isoflow codebase, auto-saving, privacy-focused local data, import/export as JSON, Docker optional storage, multilingual support, available on Mac and Linux.
Feature-rich, open-source Wireflow offers a collaborative platform for online creation of complex user flow prototypes. Ideal for team work in UI design, wireframing, and mind mapping, promoting idea sharing in real-time environment aided by modern whiteboard features.
Meet the freeform digital canvas where ideas, content, and people come together.
Visual Paradigm for UML (VP-UML) is a UML design tool and UML CASE tool designed to aid software development. VP-UML supports key modeling standards such as Unified Modeling Language (UML) 2.4, SysML, ERD, DFD, BPMN 2.0, ArchiMate 2.0, etc.
Web-based diagram platform offers real-time teamwork, 50+ diagram and mind mapping types, technical wireframing, smart objects, templates, version control, secure cloud storage, PDF export, collaboration tools, commenting, and integration for business and education use.
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