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Astah UMLPad gives you the power to create clean, and crisp UML class diagrams which illustrate interfaces, dependencies, relations, and more, in an easy and intuitive fashion. Firmly integrated with Astah Professional our iPad application takes your work wherever you are.

Directly from their web browser, members of the same or different teams can use the Astah Share Edition to interact in real time and communicate ideas with the unparalleled clarity that only our visually enriched approach can provide.

Find the right Astah for you!

No matter if you are a lone programmer working on a hobby project or if you work in a mega corporation that has 100’s of developers there is a version of Astah that fits you!

From free light-weight versions which provide Intuitive UML software at no cost; to the most powerful UML Plus software on the market Astah allows your team to communicate clearly and easily across platform. Take your Modeling to the next level with Astah.

Look through our feature comparisons below to find the right Astah for your development needs and download it for a free trial to see how Astah fits with your team.

Feature Matrix	Community	UML	Professional
Diagram
UML2.x Class, UseCase, Sequence, Activity, Communication, Statemachine, Component, Deployment, Composite Structure, Object and Package Diagrams
Eriksson-Penker Process Diagram
Mind Map
ER Diagram (IDEF1X / IE)
CRUD
Data Flow Diagram (DeMarco/Gane-Sarson notation)
Flowchart
Requirement Table
Requirement Diagram

Expressions
Business Actor, Business UseCase
UseCase Description
Multilingual Display (Alias)
FreeHand drawing, Highlighter
Oval, TextBox, Filled Rectangle, Corner-rounded Rectangles
Mini Icon

Assist Functions
Suggest Feature
Alignment Guide
Search in Diagram
Customizing Keybind
Auto-layout, Alignment, Size adjustment	Partially supported
Auto-Create Class Diagram
Show all the relations on diagram
Jump to diagram from Structure Tree
Hyperlink	Read Only
Search and Replace
Clone Models, Clone Packages
Change font color of model names
Font Setting for project
Adjust default size of model elements
Diagram Templates
Mind Maps and Microsoft office Tools
Customize stereotype icons
Tagged Value
Traceability Map
Hierarchy Tree View
Run external tool
Artifact Maps

Input and Output
Printing
Print options, Print Preview
Exporting to JPEG, PNG files
Exporting to EMF, SVG files
Exporting to RTF Documents
HTML export
CSV export
Export Mind Map to PowerPoint / RTF
Database Reverse Engineering
Exporting Entity Definition Report
Export SQL
Export CRUD, Requirement Table and hierarchy process of Data Flow Diagram to Excel
XMI Input/Output
Export to the Cloud

Languages and API
Java modeling & exporting
Importing Java
C# modeling & exporting
C# Reverse Engineering
C++ modeling & exporting
C++ Reverse Engineering
Getting/Editing models by using API	Partially supported
Plug-ins	Partially supported
GUI Localization

Plug-Ins
Atlassians Plug-ins
Easy Code Reverse Plug-in
FreeMind Import Plug-in
C++ Reverse Plug-in
DB Reverse Plug-in
The Astah SDK

Team Development
File locking (mutual exclusion)
Merge
Compare projects of diagrams/models
Reference Model Management

Model Conversion between diagrams
Convert UML models to Mind Map topics and vice versa
Convert models between ER, Flowchart and DFD