Froged - One click solution providing easy-to-use marketing, sales and support services to turn website visitors into happy customers.

EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.

Keep Your Friends Close - A free e-book about maximizing Customer Lifetime Value

Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.

ChatWoot - Open-source omnichannel customer engagement platform

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.