Best European alternatives to draw.io in 2026

Excalidraw

Developer Tools

EU Based

Excalidraw is an open-source virtual whiteboard tool for sketching diagrams with a hand-drawn style. It supports real-time collaboration, end-to-end encryption, and exports to various formats.

Mermaid

Developer Tools

EU Based

Mermaid is an open-source diagramming and charting tool that uses a simple Markdown-like syntax to generate diagrams such as flowcharts, sequence diagrams, Gantt charts, and more directly in the browser.

Mindomo is an online mind mapping and concept mapping tool for brainstorming, planning and collaboration. It supports diagrams, outlines, real-time teamwork and integrates with Google Drive and Microsoft Office.

TiddlyMap is a TiddlyWiki plugin that merges wiki-style note-taking with visual concept mapping. Users can create and link topics interactively, building clickable graph-based knowledge networks alongside traditional wiki content.

Yed

Developer Tools

EU Based

yEd is a powerful desktop application for creating, editing, and analyzing diagrams and graphs. It supports automatic layout algorithms and handles large datasets efficiently. Users can create flowcharts, UML diagrams, network maps, and more.

A web-based graphical editor for creating commutative and pasting diagrams with an intuitive interface. Supports mouse and keyboard input, and exports high-quality diagrams to LaTeX via tikz-cd with embedded links for easy sharing and editing.