Rentberry - Rentberry facilitates the long-term rental process for both tenants and landlords. We help tenants save time on rentals and landlords get true market values for their rental properties.

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.

Apart - Prenuptial agreements, but for roommates

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

Pack - Makes it simple to find the best roommates.

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