In what license is Web services Adapter (WSA) available?

What license contains Web services Adapter (WSA)?
Where can the Web Services Adapter (WSA) be downloaded?

The Web services Adapter (WSA) is included with a Complete install of the following licenses:
- 4GL Development System (on Linux starting with OE 11.2)
- Application Server Enterprise (on Linux starting with OE 11.2)
- OpenEdge Studio
- OpenEdge Development Server (on Linux starting with OE 11.2)
- OpenEdge Architect
- WebSpeed Workshop

The WSA product can also be downloaded free of charge from the Progress Download Center as part of the Deployment Components.

Note: In OpenEdge versions earlier than 11.2, only the Web Services Adapter license will install the Web Services Adapter component on Linux platforms.

References to Other Documentation:

Progress Article(s):
Cannot deploy Web Service from OE Management
Where is the ESD / Product Download Center?