Description: phpList is an open source newsletter and email marketing software. It allows you to easily create, send, and track email newsletters, announcements, notifications, and more to a list of subscribers.
Type: software
Pricing: Open Source
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