This page is no longer maintained - Awesome ArchivesSpace is a good resource for this information.
The ArchivesSpace community actively participates in the evolution of the ArchivesSpace software. Among this set of pages are plugins and stylesheets contributed by various sources for use by others, and lists of community projects and service providers. All are welcome to contribute to these pages. If you don't already have a wiki account, you can sign up for one yourself on the wiki.