All Specs Project management is so complex that you can spend two years getting a master's degree in the subject. With Teamwork (formerly known as Teamwork Projects), one of our top-rated project management apps, it doesn't feel that complicated. This excellent online platform eases many of the pains of managing projects and all their milestones and tasks by giving team members a clear interface with all the tools they need. Project managers or business owners can keep an eye on people's time and workload, know when deadlines are in danger of slipping, send invoices to clients for billable work, and more.