Astah Free Educational License for Students

Students- get your free educational license of Astah UML now.

Introducing a little trick to add BPMN look and feel to UML Activity Diagram With Astah.

Start Online Mob Modeling with Astah and Miro!

From January 15, 2020, connections to Maven’s central repository have been restricted to https.
This may cause errors when using Astah plug-in SDK.

There is a degrade in Astah Professional version 8.2. Some diagram names do not appear inside the diagram frame. Please read the post for the workaround.

by Satomi Joba
Posted on January 29, 2020January 29, 2020
Announcement

JCOSE (INCOSE Japan Chapter) is going to hold an international symposium – Beyond traditional Systems Engineering domains and regions, at Yokoyama in Japan from March 27 to 29, 2020!

by ume
Posted on December 23, 2019December 23, 2019
Announcement

We will be closing our office for New years holidays.
Dec.28 (Sat) – Jan.5 (Sun)

by Satomi Joba
Posted on September 9, 2019September 9, 2019
pro-bug

When you compare files using [Compare Project], identical models would be detected as conflict.

When Operations are allocated to the Messages in a Sequence Diagram from the BaseClass of lifeline, rearranging the order of those Operations in Class Diagram by mouse will clear out the allocation.