Google Tasks 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.

CherryTree is a powerful, free, and open-source hierarchical note-taking application. It allows you to organize your thoughts, ideas, notes, and code snippets in a tree-like structure with rich text editing and syntax highlighting.

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.

Org-mode is a powerful and flexible mode for GNU Emacs, designed for note-taking, project planning, to-do list management, and authoring documents. It utilizes simple plain text files with intuitive markup.

Restyaboard is a robust, open-source Kanban board alternative to Trello. It is designed for project management and team collaboration, offering a visual way to manage tasks, track progress, and communicate effectively.

Avaza is a comprehensive cloud-based business management suite designed for service-based businesses. It seamlessly integrates project management, collaboration, time tracking, expense tracking, and online invoicing into a single, intuitive platform, accessible from anywhere on any device.

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.

Go For It is a streamlined productivity application designed to keep you focused on your immediate tasks. It features a simple to-do list integrated with a versatile timer, ideal for implementing techniques like Pomodoro.

Buckets.co is a versatile workflow optimization and collaboration platform designed to enhance productivity across all levels of an organization. It leverages Kanban boards, robust task management, and real-time collaboration features to streamline projects and boost team performance.