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

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

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

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

Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.

ChatWoot - Open-source omnichannel customer engagement platform