TILE.NET/LISTS - One of the first and largest mailing list directories on the web.listTool - A directory of lists that includes an easy way of subscribing and unsubscribing to them.
DiscussionLists.com - Email communities grouped by general topic. Submission form available to suggest new listings.
AtoZintheMail.com - Provides newsletters as requested.
Search The List of Lists - Search one of the largest directories of special interest group e-mail mailing lists (aka Listservs) available on the Internet.
Publicly Accessible Mailing Lists - A compilation of contact information for many mailing lists, searchable by mailing list name or subject.
Skywarn, Ares, Races - Mailing lists for weather spotters, amateur radio and races.
SparkLIST - Email newsletter and discussion list directory.
The Newsletter Site - Current and past issues of hundreds of newsletters.
EzineCentral.com - A searchable database of free email newsletters, e-zines, and email discussion 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.
Newsletter Suite - Collection of free opt-in email newsletters covering a variety of topics.
Meta-List.net - Mailing lists searched by language and category.
Dolist.net - References all mailing list types, discussion, diffusion, newsletter, e-zine, alert bulletin, and newsgroups.
Newz2Me Newsletters - Internet newsletters sorted by topic and including descriptions and sign up links.
WebScout Lists - Email newsletters and discussion lists which enables subscribe and unsubscribe requests via a simple shopping cart.
