Please note that most Adelard developed plugins written for previous versions of ASCE are bundled with later versions. So ASCE 4.1 includes plugins from ASCE 4.0 and 3.5, and ASCE 4.0 includes plugins for ASCE 3.5. Unless an updated version is available, you do not need to download them as they are already included.
This following user-developed plugin is developed by Tony Corkery, QinetiQ Boscombe Down, and is kindly made available here for download. Any questions regarding its usage or behaviour should be directed to the author: tcorkery(at)qinetiq.com (replace (at) with @). The accompanying documentation states:
The core purpose of this plug-in is to provide a visual representation of the completeness of a GSN argument using colour. The status is based solely on the completed status of the solutions. In addition, the plug-in provides the following facilities: