What are some alternatives?
SugarCRM - SugarCRM enables businesses to create extraordinary customer relationships with the most innovative and affordable CRM solution in the market.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Mautic - Mautic is marketing automation software (email, social, & more).
Wunderlist - Wunderlist is the easiest way to get stuff done. Whether you’re planning a holiday, sharing a shopping list with a partner or managing multiple work projects, Wunderlist is here to help you tick off all your personal and professional to-dos.
Zoho CRM - Flexible CRM for Small Business
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.