Amateras Modeler

Lightweight UML and ER-diagram editor for Eclipse. Former AmaterasUML and AmaterasERD.

• UML
  • Class diagram graphical editing
  • Sequence diagram graphical editing
  • Activity diagram graphical editing
  • Import and export java code
• ERD
  • ER diagram graphical editing
  • Import tables from existing database
  • Generate DDL from diagram
  • Export table definition as HTML

Installation

Install from the update site: https://takezoe.github.io/amateras-update-site/

For users who use Eclipse on Java 16 or later, add the following to eclipse.ini.

--add-opens=java.desktop/java.beans=ALL-UNNAMED

For developers

Install the following eclipse plugins:

• Eclipse SDK or PDE
• UML2 Extender SDK

License

Eclipse Public License 1.0

Release History

2025/10/13 - AmaterasModeler 2.3.0

• ERD: Support TIME/TIMESTAMP WITH TIME ZONE types
• ERD: Update some dialects
• ERD: Minor improvements in NewDatabaseDiagramWizard and TableEditDialong

2024/06/29 - AmaterasModeler 2.2.0

• Support the latest Eclipse and GEF

2021/08/22 - AmaterasModeler 2.1.0

• Support zoom by CTRL + Mouse scroll

2020/10/18 - AmaterasModeler 2.0.0

• Java11 Support

2017/03/29 - AmaterasModeler 1.1.0

• Java Enum support in class diagram
• Some icon decorators such as abstract, static and final
• Synchronization of class diagram against Java source
• Option to turn on / off aggregation links on java import

2012/07/16 - AmaterasUML 1.3.4

• Fixed the issue on Java7.

2012/06/13 - AmaterasERD 1.0.9

• Displays unique indices on the diagram.
• Switching display mode (logical or physical) by CTRL+D.
• Improvement of PostgreSQLDialect, MySQLDialect and OracleDialect.
• Refreshing imported tables.
• The dictionary which is used for name conversion became customizable.

See details here about new features.

2011/08/13 - AmaterasUML 1.3.3

• Improvement of constructor in the class diagram
• Improvement of Java generics support
• Quick Filter ("Show only Public" and "Show All")
• Refresh the class diagram from Java source
• Copy the diagram as image

2011/02/12 - AmaterasERD 1.0.8

• Sybase support
• In importing and exporting, table and column comments are mapped to logical name (Oracle and Sybase only)
• Copy As Image from the context menu
• Quick Outline ([CTRL]+[O])
• Diagram font configuration
• HTML generation tool from *.erd file which could be used in command-line

See details here about new features.

2010/01/03 - AmaterasERD 1.0.7

• H2 Support
• Switching dialect after creating a diagram
• Improved foreign key creation behavior
• Improved HTML report
• Convert table / column name from context menu
• Show NOT NULL constraint in the diagram
• Show and snap to Grid, snap to other figure
• SQL Highlighting

See details here about new features.

2009/05/05 - AmaterasERD 1.0.6

• Note is available on the diagram
• Additional SQL (such as inserting initial data) of each table
• Auto diagram reloading when the file is updated such as SVN update

See details here about new features.

2009/04/19 - AmaterasUML 1.3.2

• New appearance settings of class diagram / sequence diagram
• Auto diagram reloading when the file is updated such as SVN update

2008/12/10 - AmaterasERD 1.0.5

• Show selected tables DDL from the context menu
• Table background color has been configurable
• Incremental search in the JDBC importing wizard

See details here about new features.

2008/9/3 - AmaterasERD 1.0.4.1

• MySQL reverse engineering issue has been fixed.

2008/8/21 - AmaterasERD 1.0.4

• SQL comment generation in DDL
• CREATE TABLE with SCHEMA option
• Diagram Validation
• Linked Table
• Table copy and paste

See details here about new features.

2008/6/7 - AmaterasERD 1.0.3

• PostgreSQL and Oracle support
• Table re-importing improved
• Foreign keys decoration in the diagram
• Default column value support
• Outline view
• New DDL generate option to generate constraints as ALTER TABLE
• Index designing support
• Domain (Generic data type definition) support
• HTML report improved

See details here about new features.

2008/02/14 - AmaterasUML 1.3.1

• Auto layout in the class diagram editor.
• Java model importing supports aggregation.

2008/2/7 - AmaterasERD 1.0.2

• New actions are available at the ER diagram context menu
  • Save as Image and Print
  • Export table definition as HTML
  • Auto layout
• Table definition dialog improved
  • Table / Column description
  • Auto increment column
• New extension point (net.java.amateras.db.generators)

See details here about new features.

2007/10/07 - AmaterasUML 1.3.0

• Eclipse 3.3 Support (This version can't work with Eclipse 3.2.x)
• Copy & Paste in the class diagram, the usecase diagram and the activity diagram.
• Brand new visual theme for diagrams.

2007/7/19 - AmaterasERD 1.0.1

• Apache Derby support
• Logical database design support

2007/04/22 - AmaterasUML 1.2.2

• Activity diagram is available.
• Connection routers which exclude BendpoinConnectionRouter are not supported.
• Bendpoint moves according to the entity dragging.
• Note: This version hasn't compatibility with old versions.

2006/12/31 - AmaterasERD 1.0.0

• Initial Release

2006/8/31 - AmaterasUML 1.2.1

• Class Diagram
  • Enable to drag two or more classes at a time.
  • Enable auto connect to Generalization/Realization connection.
  • Enable to drop the classes in jar entry.
• Extension
  • XMI import/export extension is available.

2006/6/10 - AmaterasUML 1.2.0

• Common
  • Enable to switch show/hide diagram grid.
• Class Diagram
  • Enable to hide fields/methods by context menu.
• Usecase Diagram
  • New feature

2006/5/13 - AmaterasUML 1.1.2

• Common
  • Enable to hide icons.
  • Enable to change background/foreground color.
• Class Diagram
  • Enable to align diagram element.
  • Add new connection router.
• Sequence Diagram
  • Change presentation of instance.
  • Add Sequence API and sample plugin.
• Java support
  • Enable to open Java editor from class diagram.
• Limitation
  • Sorry, Sequence diagram editor can't edit *.sqd files created by older version.

2006/4/22 - AmaterasUML 1.1.1

• Add drag-and-drop
  • both class and sequence
  • drag-and-drop Java file in package explorer view.
• Enable to delete and create Return message.
  • Auto return message creation swtich in AmaterasUML preference
• Add code completion feature to edit message.

2006/4/9 - AmaterasUML 1.1.0

• Add sequence diagram editor.
• Add Note for class diagram editor

2005/12/31 - AmaterasUML 1.0.0

• This is the initial public release.