Description: Google Groups is a free discussion group platform from Google that allows people to have online conversations by email or on the web. It offers public and private groups to foster communication between specific teams, organizations, or wider interest-based communities.
Type: software
Description: pump.io is an open source social networking and microblogging server that focuses on control and privacy for users. It allows users to post short messages, photos, audio clips, event invitations, and more, which can be shared publicly or with specific groups and followers.
Type: software
Pricing: Open Source