GTasksTo-Do List Alternatives for Linux

Task Coach is a free and open-source personal task manager designed to handle compound tasks and notes. It's a versatile tool for organizing your to-do list with support for subtasks, categories, and tracking time spent on tasks, making it suitable for both simple task management and more complex project organization.

fluxday is a free and open-source task and productivity management solution designed specifically for growing startups, focusing on streamlined task workflows and team accountability.

Ora is a comprehensive, real-time project management platform designed for teams of all sizes. It offers a flexible and intuitive interface, enabling teams to manage tasks, track time, collaborate effectively, and streamline workflows within a single workspace. From agile methodologies to traditional project planning, Ora provides the tools necessary to enhance productivity and achieve project goals.

Todo.txt is a simple yet powerful command-line task management system. It leverages a plain text file to store your to-do list, making it highly portable, easily searchable, and compatible with numerous tools and operating systems. Its minimalism offers a clean separation from complex feature sets, focusing purely on task management.

Nitro was a free, open-source task management application designed to help users organize their daily tasks and boost productivity. It featured a clean interface and supported various integrations for a streamlined workflow.

Conqu is a versatile task management application designed to help users organize their tasks, projects, and notes effectively. It offers a robust feature set including cloud sync, hierarchical task structures, integrations with popular services, and tools for both individual productivity and team collaboration.

GeeTeeDee is a powerful, yet lightweight and portable task management application designed to help users implement the 'Getting Things Done' methodology. It offers a unique blend of hierarchical organization, visual tools, and robust synchronization options, enabling efficient task tracking and productivity across various devices, even offline. Its focus on privacy and user control makes it a standout choice for personal and professional task management.

Germ.io is a collaborative idea management and project planning tool that helps teams capture, refine, and transform initial concepts into structured and actionable project plans.