Remember the Milk (RTM) is an application service provider for a Web-based task- and time-management.

Toodledo is a popular and powerful online productivity tool. Manage your to-do list, take notes, track habits, and organize ideas into outlines and lists.

Citavi is a reference management program.

Dapulse is a smart collaboration and communication app you can use to get your team members working in sync in one place.

Wrike is an online project management software that gives you full visibility and control over tasks.

MyLifeOrganized (MLO) is the most flexible and powerful task management software for getting your to-dos finally done.

Skwish freelance is a project management tool packed full of features to help manage scopecreep; collaborations, finances, invoicing and teams you're working …

Goalton.com is a platform for goal and task management.