See also:
- Archivum.info - Large archive of mailing lists and newsgroups.
- CataList - The official catalog of LISTSERV lists.
- DiscussionLists.com - Email communities grouped by general topic. Submission form available to suggest new listings.
- Dolist.net - References all mailing list types, discussion, diffusion, newsletter, e-zine, alert bulletin, and newsgroups.
- Email Newsletters & Ezines at Tile.net - Large mailing list directory.
- I Want Newsletters - A large collection of free newsletters sorted by category.
- listTool - A directory of lists that includes an easy way of subscribing and unsubscribing to them.
- openSubscriber - A mail-to-web gateway with searchable archives of public mailing lists.
- Public Mailing Lists Managed by Arrow - A frequently-updated list of publicly accessible mailing lists managed by users of Roger Smith Software's Arrow Mailing List Server.
- WebScout Lists - Email newsletters and discussion lists which enables subscribe and unsubscribe requests via a simple shopping cart.