AnnounceKit - Announce product updates like a boss 😎

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.

Beamer App - Announce new features, latest updates, important news and more with an out of the box notification center and changelog tool as a service. Try it for free.

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

Olvy - Announce new features with beautiful and effective in-app widgets and standalone pages with our powerful release note tool, and see your release feedback turn into insights.

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