* [ERD Editor v4.0.0](https://github.com/dineug/erd-editor) – ERD Editor is a web-based entity-relationship diagram tool that supports visual editing, SQL DDL/GraphQL DBML/AML import, and DDL or multi-language code export, plus live agent collaboration via MCP.

* [draw.io v32.3.0](https://github.com/jgraph/drawio) – Configurable diagramming and whiteboarding visualization application.

* [tldraw v5.5.0](https://github.com/tldraw/tldraw) – Library for creating infinite canvas experiences in React.

* [Answer me with HTML v0.5.0](https://github.com/QingYunA/answer-me-with-html) – Agent skill that turns hard questions into readable one-page HTML, reducing output tokens by having the model write only page content.

* [OpenFlowKit v2.0.0](https://github.com/Vrun-design/openflowkit) – White-label diagramming engine combining React Flow, diagram-as-code, AI-based diagram generation, internationalization, and local-first privacy.

* [Flitter v0.2.0](https://github.com/meursyphus/flitter) – JavaScript rendering engine inspired by Flutter for composing high-performance Canvas and SVG visualizations and UIs.

* [GoJS v4.0.5](https://github.com/NorthwoodsSoftware/GoJS) – JavaScript and TypeScript library for creating and manipulating interactive diagrams and charts.

* [ng-diagram v1.4.0](https://github.com/synergycodes/ng-diagram) – Robust Angular library for building interactive diagrams, node-based editors, and visual programming interfaces.

* [tld v2.4.2](https://github.com/Mertcikla/tld) – Opinionated, C4-inspired architecture diagramming tool with frontend, backend, and CLI for local, CI, and agent-driven workflows.

* [Shumoku server-v0.2.0](https://github.com/konoe-akitoshi/shumoku) – Topology generation engine that turns structured YAML, NetBox, LLDP, and SNMP data into readable, updateable network diagrams with SVG, HTML, and PNG output.

* [Meta2d.js v1.1.32](https://github.com/le5le-com/meta2d.js) – Real-time data exchange and interactive web 2D engine for building SCADA, IoT, and digital twin applications.

* [Rails Mermaid ERD v0.8.1](https://github.com/koedame/rails-mermaid_erd) – Generate Mermaid ER diagrams from a Ruby on Rails application.

* [Asciidoctor Kroki Extension v2.0.0-rc.4](https://github.com/asciidoctor/asciidoctor-kroki) – Extension for Asciidoctor.js that converts diagrams to images using Kroki.