Apps similar to Microsoft Visio include draw.io, which is free and open source. Other options are Excalidraw, LibreOffice - Draw, Dia and yEd Graph Editor. There's no shortage of Diagram Editors like Microsoft Visio, with more than 100 alternatives for the web, Windows, Mac, Linux and iPad.
Merit Modeler is a free desktop diagramming tool for creating Flowcharts, Use Case and Data Flow diagrams. It helps you visualize processes, document software systems and communicate ideas clearly. Because it runs locally on your computer, it is fast, secure and fully available...
Czechia
EU
Offline knowledge map in a single HTML file: one entity stands on several sheets, documents and tables are assembled from the map, and private parts never go to an AI.
Russia
InfraToolbox draws rack elevations in the browser. Pick equipment from a device library, place it by rack unit, and the drawing keeps itself consistent - no stencils to hunt down and no spreadsheet grid to maintain by hand.
OrgChartDesk is a chart-first org chart builder. Build a polished chart in minutes - drag-drop reporting lines, color-coded departments, 10 designed themes plus AI styling - and export print-ready PNG, PDF, or PowerPoint.
A diagram editor for architecture, process and software diagrams. Runs in the browser or as a desktop app and saves diagrams as readable YAML.
PortugalEU
The automated, end-to-end encrypted network topology mapper for IT professionals. Know exactly which device is connected to which switch port.
ItalyEU
Generate cloud architecture diagrams with the official AWS, Azure and GCP icons from a plain description in Claude or ChatGPT, a JSON graph, or Terraform code.
TeamChart is a simple app for building, planning, and sharing org charts. Map roles, reporting lines, and teams visually, then keep them current as your organization changes. Start from a template or import CSV/XLSX data, then share, embed, or export.
United Arab Emirates
Diagram-Generator is an AI-powered platform that transforms your ideas into professional diagrams and infographics. Simply describe what you want, and our AI creates it in seconds. We offer two modes: Draft Mode (free, unlimited, editable Mermaid diagrams) and Pro Vision...
The IT Department's operating system — budget, project portfolio, and app landscape in one place, built for SMB IT teams.
FranceEU
Arkidor is a free, browser-based ArchiMate modelling tool supporting full ArchiMate 3.2 and 4.0 notation. It reads and writes the ArchiMate Open Exchange Format (OEF) XML standard, making it interoperable with Archi, Sparx Enterprise Architect, BiZZdesign, and ADOIT.
FinlandEU
AI-driven BPMN 2.0 diagramming enables real-time collaboration, instant process flow creation from natural language, multilingual support for global teams, built-in audit mode for compliance validation, and standards-compliant export options like SVG, PNG, and PDF.
Peru
