Todo Manager Softwares and Apps

Tomboy is a free and open-source desktop note-taking application designed for simplicity and efficiency across Linux, Unix, Windows, and macOS. It utilizes a wiki-like interface for easy linking between notes and offers features like automatic linking, full-text search, and local storage, making it an accessible and reliable tool for organizing your thoughts and tasks.

wikidPad is a free and open-source wiki-like notebook application that allows you to store your thoughts, notes, and snippets of information in a highly organized and cross-referenced manner. Its strength lies in the effortless creation of links between pages, making it easy to navigate and connect related ideas.

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.

Laverna is a privacy-focused, open-source note-taking application designed for secure personal information management. It offers a robust Markdown editor, strong encryption capabilities, and offline access, making it an ideal solution for users prioritizing data privacy and a seamless note-taking experience across devices.

TaskBoard is an open-source, self-hosted Kanban application designed for efficient task and project management. It offers a visual way to track progress through boards, lists, and cards, promoting clear workflows and team collaboration. Ideal for small teams and individuals seeking a simple yet powerful task management solution.

Habitica is a unique task management application that transforms your goals and tasks into a role-playing game. Track habits, daily tasks, and to-do lists by earning experience points and gold, leveling up your character, and battling monsters.

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.

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.

Wekan is a free and open-source Kanban board application designed for collaborative task management. Based on the principles of Kanban, it offers a visual way to organize work, track progress, and improve workflow efficiency for individuals and teams.

QOwnNotes is a powerful yet simple open-source plain-text note-taking and to-do list application with Markdown support, designed for seamless integration with ownCloud and Nextcloud instances while also offering standalone functionality.

Tasks is a versatile task management application designed to help individuals and teams organize, track, and prioritize their work effectively. It offers a wide range of features including cloud synchronization, project management tools, and integrations with popular services like Alexa and Dropbox.

Tasque is a free and open-source task management application designed for simplicity and efficiency. It helps users organize tasks, manage to-do lists, and optionally track time.

TiddlyWiki is an innovative open-source, single-file, non-linear personal web notebook.

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.

Zulip is a powerful open-source group chat application designed for team collaboration. It uniquely structures conversations around topics, enabling users to easily catch up on important discussions and manage information overload. Zulip facilitates secure communication with integrated file sharing and various integrations.

ClockingIT was a comprehensive project management, collaboration, and time tracking tool designed for teams. It provided a centralized platform for managing tasks, tracking time, handling issues, and facilitating team communication, aiming to streamline project workflows before its discontinuation.

Taskwarrior is a powerful, open-source command-line task management tool designed for serious productivity enthusiasts. It provides a highly configurable and efficient way to track, prioritize, and manage your tasks directly from the terminal, supporting complex workflows like GTD.

BasKet Note Pads is a versatile, freeform note-taking application for KDE that allows users to organize thoughts, manage tasks, and gather information visually. It supports various content types, offering powerful organization and sharing capabilities.

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.

Collabtive is a free and open-source web-based project management application designed for small to medium-sized businesses and teams. It offers a comprehensive suite of tools for task management, time tracking, document sharing, and team collaboration, making it a flexible and cost-effective solution for managing projects.

Osmo is a lightweight and versatile personal organizer designed for efficiency. It integrates essential modules like a color calendar, task manager, address book, and notes editor into a single, user-friendly interface, making it ideal for managing daily activities.

KOrganizer is a comprehensive calendar and scheduling application, part of the integrated KDE Kontact suite. It provides robust tools for managing events, tasks, and deadlines, with extensive connectivity options and customization.

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.

KOrganizer is a comprehensive calendar and scheduling application, part of the integrated KDE Kontact suite. It provides robust tools for managing events, tasks, and deadlines, with extensive connectivity options and customization.

Tasks is a versatile task management application designed to help individuals and teams organize, track, and prioritize their work effectively. It offers a wide range of features including cloud synchronization, project management tools, and integrations with popular services like Alexa and Dropbox.

Osmo is a lightweight and versatile personal organizer designed for efficiency. It integrates essential modules like a color calendar, task manager, address book, and notes editor into a single, user-friendly interface, making it ideal for managing daily activities.

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.

Collabtive is a free and open-source web-based project management application designed for small to medium-sized businesses and teams. It offers a comprehensive suite of tools for task management, time tracking, document sharing, and team collaboration, making it a flexible and cost-effective solution for managing projects.

Zulip is a powerful open-source group chat application designed for team collaboration. It uniquely structures conversations around topics, enabling users to easily catch up on important discussions and manage information overload. Zulip facilitates secure communication with integrated file sharing and various integrations.