Best European alternatives to Lucidchart in 2026

Azimutt

Developer Tools

EU Based

Azimutt is a database schema explorer and ERD tool designed to handle large, complex schemas with up to 1000 tables. It lets users search tables and columns, show/hide elements, find paths between tables, and get best practice recommendations.

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.

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.