LimanDoc is a simple yet powerful tool for visualize files, diagrams, and construct a mind map with the possibility to edit Markdown text. It is an offline first desktop app with a 2D canvas that allows a preview of the inner folders (boards).




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 both free and Open Source. Other great apps like Excalidraw are Xournal++, LibreOffice - Draw, Miro and Dia.
LimanDoc is a simple yet powerful tool for visualize files, diagrams, and construct a mind map with the possibility to edit Markdown text. It is an offline first desktop app with a 2D canvas that allows a preview of the inner folders (boards).




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.

Free vector graphics editor offering real-time collaborative editing, browser and cross-platform desktop support, scalable design tools, AI, EPS, SVG, PNG, JPEG import/export, grouping and shape manipulation, and intuitive pen and freehand drawing options.




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:




Digital graph paper for diagrams, technical sketches and geometric art.




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.




Meet the freeform digital canvas where ideas, content, and people come together.




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.

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.




Gaphor is a WYSIWYG (What You See Is What You Get) UML and SysML modeling environment easy to use that will help you create your applications.


