OmniPlan - OmniPlan is a platform to visualize, maintain and simplify your projects.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Microsoft Project - Microsoft Office Project gives you robust project management tools with the right blend of...
Nifty - Manage projects, work, and communications in one place.
iTaskX 3 - Professional and intuitive project management application designed for Mac.
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.