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.
Rever - Rever is an idea management platform that is built for companies and businesses related to food processing and packaging.
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Crowdicity - Idea management software for smart organizations.
Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.
Sideways 6 - Sideways 6 is the best way to involve your employees in innovation.