Asta Powerproject for Mac

ConceptDraw PROJECT is a full-featured project management solution that keeps you on top of your data through project dashboards.

Redmine is a web-based project management and bug tracking app that offers calendars, Gantt charts, support for managing multiple tasks simultaneously, and many others.

Nozbe is a tool that helps busy professionals and teams organize time and projects
"...solid online organizer specific to GTD..." - Lifehacker
"...GTD web app that keeps it simple..." - ZD Net ***** Effortlessly manage your time *****

ProjectLibre is an project management application for Mac OS X. Also it's a major open source addition as the leading alternative to Microsoft Project.

Curio is a feature-rich Mac utility created by the Zengobi company to help you complete a wide variety of tasks. You can use this program to keep track of your work ideas, make project plans, manage daily assignments, create quality presentations...

RationalPlan is a powerful project management software designed to help both project managers and teams to create consistent project plans, allocate resources and analyze workload, track work progress, estimate projects' costs and manage budgets.

One may think that when it comes to project management, there is no easy way of doing things; GanttProject though will prove most skeptics wrong.

ONEPOINT Projects empowers teams to make projects work. With its Planforge hybrid PPM software, ONEPOINT simplifies daily project work with a practical approach to project and portfolio management and enterprise agile planning.

SharedPlan Personal is an elegant and robust project planning and management application that allows you to quickly plan and execute the projects that are important to you.