ASCII Art Studio Alternatives & Competitors

Online diagramming application.

Key draw.io features:

Free User-Friendly Interface Collaboration Integrations

Open Source

UMLGraph is a professional automated drawing tool that allows the designers the declarative specification and drawing of UML class and sequence diagram.

Key UMLGraph features:

Automated Diagrams Integration with Javadoc Text-Based Configuration Extensible and Customizable

A cloud-based diagram maker for companies, teams, and you.

Key Cacoo features:

Collaboration User-Friendly Interface Extensive Template Library Integration Options

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Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.

Key Dia features:

Open Source Cross-Platform Versatile Diagram Types Customizable Toolset

yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.

Key yEd features:

User-Friendly Interface Versatile Diagram Types Automatic Layouts Cross-Platform

OmniGraffle is for creating precise graphics like website wireframes, an electrical system designs, or mapping out software class.

Key OmniGraffle features:

User-friendly Interface Advanced Diagram Tools Cross-Platform Support Integration Capabilities

ArgoUML, free and safe download. ArgoUML latest version: Open-source diagramming application for personal computers. ArgoUML is a program that allows users to create complex and professional diagrams.

Key CollabNet features:

Comprehensive ALM Suite Scalability Collaboration Features Support for Multiple Version Control Systems

UMLet - Free UML Tool for Fast UML Diagrams.

Key UMLet features:

Simplicity Open Source Quick Diagramming Lightweight

StarUML.

Key StarUML features:

User-Friendly Interface Cross-Platform Support Extensibility Wide Range of Diagram Types

LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.

Key LucidChart features:

User-Friendly Interface Collaboration Features Integration Capabilities Template Library

Gaphor is a Python-based, open source, multiplatform and multipurpose modeling application for creating nice UML diagrams for documentation.

Key Gaphor features:

Open Source User-Friendly Interface Lightweight and Fast Cross-Platform Compatibility

Open Source

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

Key PlantUML features:

Simple Syntax Quick Diagram Creation Version Control Friendly Integrations

Open Source

NClass is a free tool to easily create UML class diagrams with full C# and Java language support.

Key NClass features:

Open Source UML Support Code Generation User-Friendly Interface

Visualize, design, innovate. The ultimate diagramming and modeling suite for UML, ERD, BPMN, flowcharting and data architecture. Elevate your ideas to new heights.

Key Software Ideas Modeler features:

User-Friendly Interface Free Trial Templates Search and Filtering

freemium €59.0 / One-off (Standard Edition)