There are many alternatives to draw.io as a self-hosted solution if you are looking for a replacement. The best Self-Hosted Diagram Editor alternative is Excalidraw, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to draw.io and four of them are Diagram Editors available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted Diagram Editor alternatives to draw.io are Kroki, Azimutt and Hava.
Excalidraw is an 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 is available for self-hosting.
Excalidraw is the most popular Self-Hosted alternative to draw.io.
Creates diagrams from textual descriptions! It provides a unified API with support for BlockDiag, BPMN, Bytefield, C4 (with PlantUML), Ditaa, Erd, GraphViz, Mermaid, Nomnoml, PlantUML, SvgBob, UMLet, Vega, Vega-Lite, WaveDrom.
Azimutt is an explorer for your database schema, similar to an Entity Relationship Diagram (ERD) but with features to handle big schema (up to 1000 tables) where most other ERD are too crowded.
Automatically generates cloud network topology diagrams for AWS, Azure and GCP. Visualizes cloud infrastructure, tracks versions, auto updates, generates compliance reports with on embed anywhere viewer and API access.
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