Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.
Smartsheet - Smartsheet is an intuitive online project management tool enabling teams to increase productivity using cloud, collaboration, & mobile technologies.
Leantime - Lean project management for startups & small teams
Teamgantt - Intuitive project planning and collaboration. Beautiful Gantt charts, task-level communication, file sharing, resource management and more.
Producteev - Producteev is a free task management application for individuals and teams to collaborate via the web, email, IM, mobile or desktop.
Nostromo - Nostromo is a digital project management and product development platform.