Best Open-source Task & To-Do Management tools

Vikunja

Self-hosted to-do app to organize your entire life

Super Productivity

Advanced todo list with timeboxing and time tracking

Planify

Modern task manager with Todoist and Nextcloud sync

Donetick

Collaborative task and chore management with natural language scheduling

Taskwarrior

Command-line task management with powerful features and extensibility

Dooit

Beautiful, customizable TUI todo manager for the terminal

TaskTrove

Self-hosted task manager with natural language and privacy

Taskbook

Tasks, boards and notes for the command-line habitat

Ao

Elegant, feature-rich desktop client for Microsoft To-Do

Taskist

Flutter-powered ToDo app with Firebase backend integration