Discuss
Create unlimited group email discussion lists in seconds! Members can participate entirely over email, or directly on the website. Try it free!
18 Alternatives To Discuss
Basecamp
A simple and elegant project management system. Basecamp is more than just a project management tool — it’s a better way to work. Teams that switch to Basecamp are more productive and better organized.
Dada Mail
Email Marketing List Manager
Fleep
Your own business messenger.
FreeLists
FreeLists provides the internet community with Free, no-hassle, high-quality mailing lists
Gaggle Mail
Gaggle Mail is a simple and easy to use email list manager.
GroupSpaces
Free Group Website, Membership Database, Listserv Mailing List, Online Group Management Software : GroupSpaces
Listeron
An email address for your group. Discuss. Debate. Organise. All with email.
Mailing Group - Listserv
Allows you to run a free Listserv or email group right from your WordPress dashboard.
Mailman
Mailman is free software for managing electronic mail discussion and e-newsletter lists.
My Renovation
My Renovation app – powerfull managing tool for construction process and goals
Sympa
Sympa is an open source (GNU GPL) mailing list management (MLM) software.
Wiggio
Wiggio is an online toolkit that makes it easy to work in groups. With Wiggio you can:
Yahoo! Groups
Online discussion boards from Yahoo!
Zoho Campaigns
Zoho Campaigns is an email marketing tool with CRM & social media integration to help you create, send and track effective email campaigns.
eMailDodo
A great alternative to Google and Yahoo groups.
winio
The fastest way to sync your team with ongoing projects