mod_content
- An RSS1.0 module for the actual content of websites, in multiple formats.
- http://web.resource.org/rss/1.0/modules/content/

mod_syndication
- The RSS1.0 Syndication module provides syndication hints to aggregators and others feed regarding how often it is updated.
- http://web.resource.org/rss/1.0/modules/syndication/

mod_dublincore
- The Dublin Core module allows unqualified Dublin Core metadata to be added to RSS channels and/or items.
- http://web.resource.org/rss/1.0/modules/dc/

Mod_DCTerms
- This module is designed to allow Qualified Dublin Core metadata to be used in addition to the Dublin Core metadata that the RSS 1.0 Dublin Core module permits.
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_dcterms.html

mod_servicestatus
- This module extends RSS to include elements which allow the description of the status and current availability of services and servers. (on a temporary non-Purl URL at the moment)
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_servicestatus.html

mod_Wiki
- RSS 1.0 Wiki Module is an extension module for RSS to describe metadata particular to wiki applications.
- http://www.usemod.com/cgi-bin/mb.pl?ModWiki

mod_threading
- An RSS1.0 module that provides the ability for items to specify a parent/child relationship.
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_threading.html

mod_taxonomy
- The taxonomy module is a RSS 1.0 module and a RDF application enabling the identification of topics covered by a RSS channel or item.
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_taxonomy-1-2.html

mod_streaming-1.2
- An RSS1.0 module that addresses the additional needs of streaming-media providers.
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_streaming-1.2.html

mod_slash
- An RSS1.0 module, which augments the RSS core and Dublin Core module's metadata with channel and item-level elements specific to Slash-based sites.
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_slash.html

mod_rss091
- An RSS1.0 module that provides sideways compatibility with RSS 0.91 by providing a modularized version of the elements added to 0.91.
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_rss091.html

mod_event
- An RSS1.0 module to describe upcoming real-world events
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_event.html

mod_company
- The mod_company RSS 1.0 module augments the RSS core and Dublin Core module's metadata with channel and item-level elements specific to company data.
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_company.html

mod_changedpage
- An RSS1.0 module that includes information necessary to subscribe to be notified when this RSS feed updates. Applications should follow the changedPage spec using cp:server as the notifier.
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_changedpage.html

mod_audio
- The mod_audio RSS 1.0 module augments the RSS core and Dublin Core module's metadata with channel and item-level elements specific to audio data.
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_audio.html

mod_annotation
- An RSS1.0 module, that provides support for resources that annotate, follow-up to, or reference other resources. Examples would include annotation system such as crit, Usenet, and most web-based discussion groups. The module can be used in combination wit
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_annotation.html

mod_aggregation
- Provides aggregator-added information about the original source of the RSS item.
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_aggregation.html

mod_admin
- This RSS1.0 module provides administrative properties that can be used to help improve the robustness and reliability of broad RSS usage between providers, aggregators, clients, and other users.
- http://groups.yahoo.com/group/rss-dev/files/Modules/Proposed/mod_admin.html