Top Alternatives to GNOME Planner

Trello is a web based project management solution.

Asana is a web and mobile application designed to help teams track their work.

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

Basecamp is a project management web app.

Freedcamp is a web-based project management tool and organization system for single or multiple users collaborating using cloud computing.

Redbooth (Teambox) is a web-based and on-premises workplace collaboration tool and communication platform.

Gantter is a FREE web-based project management tool.

FoxPlan is a web based project management software.

fluxday is a user-friendly, free & opensource task & productivity management tool for growing startups.

MOOVIA is an enjoyable and secure social environment to host your team`s projects, tasks, meetings, ideas, messages and documents.

GanttProject is free Java based, project management software that runs on the Windows, Linux and Mac OS X systems.

Microsoft Project is a project management software product, developed and sold by Microsoft. It is designed to assist a project manager in developing a plan, assigning resources to tasks, tracking progress, managing the budget, and analyzing workloads.

Avaza is a beautiful online software suite with modules for Project Management, Timesheets, Expenses & Invoicing. Access from anywhere, with any device.

Bitrix24 is a free (for small businesses) social enterprise platform.

Zenkit is a platform for collaboration and project management.

ProjectLibre is an open source, freely available project management software system intended ultimately as a standalone replacement for Microsoft Project.

Teamwork Projects is a project management app.

5pm is a Web-based project and task management software.

Clockingit is a project management, collaboration and time tracking tool.

LibrePlan is a free software web application for project management.

Priority Matrix is a time management software application that is supported on a number of platforms, including Microsoft Windows, Mac OS X, Android, and iOS. It is based on the Eisenhower Method of arranging tasks by urgency and importance in a 2x2 matrix.

Active Collab is a web-based project management tool.

Smartsheet is a software as a service (SaaS) application for collaboration and work management.

Mavenlink is an advanced project management, task collaboration, resource allocation, work management and professional services automation platform.

Huddle is a team collaboration & project management software for enterprise and government.

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

Rachota is a portable application for time tracking different projects.

Stackfield provides end-to-end encrypted communication and collaboration with tasks, documents and projects for business teams.

TeamGrids a project management software for marketing agencies with integrated real-time business analytics, time tracking and task management.

SprintGround is a free task management for small software development teams and freelancers.

taskblitz is set of tools to collaboratively get your work done including project management, chat, time tracking and invoicing.

OmniPlan is a planning and project management software.

LiquidPlanner is an innovative project management software.

Hive.com is a productivity platform with powerful project management features.