Quick Sequence Diagram Editor is a fast and reliable tool, written in Java 5, for generating professional UML sequence diagrams from text. Supports actors, con-/destructors, threads, broadcasts, notes, and fragments. Can serve as a Javadoc taglet. Exports PDF, (E)PS, SVG, PNG, ...

Quick Sequence Diagram Editor Features:
1. The diagram changes as you type.
2. Diagram code is instantly checked, errors are pointed at.
3. Diagrams can be exported and zoomed.
4. Long diagrams can be paginated.
5. There are constraints imposed on diagram specifications, so one cannot model something that is impossible to implement.

Requirements:
* Java

The license of this software is Free, you can free download and free use this flowchart & diagram software.