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
quackr
Description: Quackr is a free, open source alternative to Basecamp. It is a project management and team collaboration tool allowing users to manage projects, tasks, documents, messages, time tracking, calendars and more in one place.
Type: software
Pricing: Open Source