Learn Low Level Design (LLD) and prepare for interviews using free resources.

• UpdatedFeb 5, 2026
• Java

🍞📝 Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible.

• UpdatedAug 1, 2024
• TypeScript

A pleasant note-taking platform in native C++.

• UpdatedFeb 4, 2026
• C++

Generate diagrams from textual description

• UpdatedFeb 7, 2026
• Java

C4-PlantUML combines the benefits of PlantUML and the C4 model for providing a simple way of describing and communicate software architectures

• UpdatedJan 11, 2026
• PlantUML

Creates diagrams from textual descriptions!

• UpdatedFeb 7, 2026
• JavaScript

A curated collection of diagramming tools used by leading software engineering teams

• UpdatedAug 25, 2024

The sassy UML diagram renderer

• UpdatedMar 31, 2025
• TypeScript

Gaphor is the simple modeling tool

• UpdatedFeb 4, 2026
• Python

Interactive ASCII art diagram generators. 🌟

• UpdatedMay 16, 2025
• C++

A low-code development platform for creating systems 🇺🇦#standwithUkraine

• UpdatedJan 7, 2026
• HTML

KSHObjcUML can show oriented graph of dependencies between Objective-C and Swift classes in your project

• UpdatedApr 9, 2016
• Objective-C

Modelio is a modeling solution offering a wide range of functionalities based on the main standards of enterprise architecture, software development and systems engineering.

• UpdatedJun 28, 2024
• Java

JavaScript architecture diagrams and dependency graphs

• UpdatedFeb 7, 2026
• JavaScript

Situational Awareness Server compatible with TAK clients

• UpdatedOct 29, 2024
• Python

Customizable automatic UML diagram generator for C++ based on Clang.

• UpdatedJan 28, 2026
• C++

write beautiful state charts 🙀

• UpdatedJan 31, 2026
• TypeScript

plantuml-font-icon-sprites

• UpdatedMay 9, 2024
• HTML

A desktop application for fast UML diagramming.

• UpdatedJan 23, 2026
• Java

PlantUML sprites, macros, and other includes for AWS components.

• UpdatedMay 7, 2019
• Python