D2 is described as 'Create beautiful diagrams in minutes. Simple syntax. Endlessly customizable. D2 is the fastest and easiest way to get a mental model from your head onto the screen, then make edits with your team' and is an app in the development category. There are more than 25 alternatives to D2 for a variety of platforms, including Web-based, Windows, Linux, Mac and SaaS apps. The best D2 alternative is draw.io, which is both free and Open Source. Other great apps like D2 are Excalidraw, LibreOffice - Draw, yEd Graph Editor and Dia.
Umbrello is a Unified Modelling Language (UML) modelling tool and code generator. It can create diagrams of software and other systems in the industry-standard UML format, and can also generate code from UML diagrams in a variety of programming languages.
Germany
EU
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.
Penrose is a platform that enables people to create beautiful diagrams just by typing mathematical notation in plain text. The goal is to make it easy for non-experts to create and explore high-quality diagrams and provide deeper insight into challenging technical concepts.
United States
Quick and simple free tool to help you draw your database relationship diagrams and flow quickly using simple DSL language.
Singapore
A daily drawing tool that supports low code for learning or office use. It can be used for flowchart, mind map, UML diagram, ER diagram, network topology diagram, BPMN, Venn diagram, database model diagram, whiteboard drawing, infinite canvas, and more.
Quick DBD is a free online web-based application for making database diagrams quickly. Quick DBD lets you create a database diagram by typing the schema.
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.
FranceEU
EDGE Diagrammer is a diagramming tool for creating various types of diagrams including block diagrams, flowcharts, and organizational charts. It automatically connects lines to figures, adjusts when objects are moved, and modifies shape size when text is added.
United States
Web-based diagram platform offers real-time teamwork, 50+ diagram and mind mapping types, technical wireframing, smart objects, templates, version control, secure cloud storage, PDF export, collaboration tools, commenting, and integration for business and education use.
Australia
Brainboard addresses the challenges of managing complex cloud infrastructures by offering a platform that promotes collaboration, streamlines workflows, and integrates multi-cloud environments. As a single source of truth, it remains in sync with your infrastructure, updating...
Diagramo is an online flowchart software
United States
"If they could see what Im thinking, they'd get it!" People just understand faster with pictures. It helps them see how information is connected, whether it is complete, and how a shift in one element impacts something else.
United States
