GemDev

Eclipse development environment for GemStone/S.

Look into Getting Started section to get installed and running connection to GemStone/S:
Look into Tasks section for description of features in day to day work with this plugin.
Look into Concepts section for explanation of architectural decisions which can help you understand behavior of GemDev plugin:
And other information in:

Acknowledgements:

Eclipse is trademark of Eclipse Foundation, Inc

GemStone, GemBuilder, GemConnect, and the GemStone logos are trademarks or registered trademarks of
GemStone Systems, Inc. in the United States and other countries.

This product includes software developed by:
ANTLRv3 project (http://www.antlr.org/) licensed under BSD License,
The Apache Software Foundation (http://www.apache.org/) licensed under Apache License
Google Collections Library project (http://code.google.com/p/google-collections/) licensed under Apache License