GNOME Planner is an open source project management and scheduling application developed by the GNOME Project. It is designed to help individuals and teams manage their projects and activities in an efficient, effective, and visually appealing manner. GNOME Planner provides a comprehensive set of tools for creating, organizing, and managing projects, tasks, and resources. It also includes features to help you track time and budget, and to generate reports and charts. With GNOME Planner, you can easily create Gantt charts for project planning and scheduling, assign resources to tasks, and keep track of task progress. Additionally, it supports various file formats such as Microsoft Project, iCalendar, and HTML, and can be integrated with other applications, such as bug trackers and analytics tools.
GNOME Planner is a project management tool, ONLYOFFICE is an office suite (word processor, spreadsheet and presentation) with a project module, but it is not a project management tool.
Easy alternative project management tool of scheduler. The user interface is quite similar with MS project, it could also automatically generate Gantt chart and show critical path.
Discontinued The application is no longer under development. The latest version, 1.4, released in October 2008, can still be downloaded from SourceForge.
Trello is not a planner, it does not create Gantt charts.