Apps similar to draw.io include Excalidraw, which is open source with a free version. Other options are LibreOffice - Draw, Dia, yEd Graph Editor and TreeSheets. There's no shortage of Diagram Editors like draw.io, with more than 100 alternatives for the web, Windows, Mac, Linux and iPad.
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.
AI scientific figure generator that turns text into publication-ready illustrations, flowcharts, and data visualizations.
Turn plain-English or voice into a native, editable .drawio architecture diagram with official AWS, Azure, GCP and Kubernetes icons.
United States
A free, open-source, real-time multiplayer canvas for diagrams and mindmaps that opens straight from a link, with no sign-up.
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.
Finland
EU
Lyniti is an all-in-one business workspace for managing clients, projects, invoices, bookkeeping, team collaboration, and internal operations from one secure dashboard.
FinlandEU
Forky is a simple interface to create beautiful diagrams and mindmaps. You can collaborate in real-time with your friends or team! Come and see!
WorksCove ERD is a browser-based ERD tool for working with databases that already exist. Paste your SQL DDL and it generates both an entity-relationship diagram and a table specification document, which can be shared with a single link that always reflects the current schema.
South Korea
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...
CzechiaEU
Arialine brings Mermaid diagrams and AI diagram generation to Slack. Teams design systems in Slack threads, but diagrams often live elsewhere, fall out of date, and lose the reasoning behind them.
Ukraine
Self-hosted homelab infrastructure visualizer — interactive network diagram with live status monitoring
FranceEU
AUDACE.ai revolutionizes innovation by providing AI-powered tools that streamline idea development, evaluation, and execution. It empowers innovation leaders, entrepreneurs, and project champions to refine their concepts, gain actionable insights, and prototype rapidly.
