Facebook
Description: Facebook is a popular social networking platform that allows users to connect with friends, family, coworkers, and people with shared interests. Users can share photos, videos, status updates, join groups, and more.
Type: software
Pricing: Free
Google Groups
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