Linux Softwares to To-Do management

Joplin is a free and open-source note-taking and to-do application designed for users who value data ownership, privacy, and flexibility. It offers robust synchronization options, including cloud services like Dropbox, OneDrive, and Nextcloud, as well as WebDAV. With support for Markdown, powerful search capabilities, and cross-platform availability, Joplin is a versatile tool for organizing information and boosting productivity.

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.

TreePad is a versatile personal information manager and notes organizer that utilizes a hierarchical tree structure to help you manage various types of information, from simple notes and to-do lists to complex knowledge bases.

KeepNote is a versatile note-taking application designed for organizing information in a hierarchical structure. Available on Windows, Linux, and macOS X, it features robust organization tools, including a tree-like outline, wiki-like linking, and support for embedded files and images. Although discontinued, its local storage and rich features make it a compelling tool for detailed note-taking and research.