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

Taskwarrior

Command-line task management with powerful features and extensibility

Donetick

Collaborative task and chore management with natural language scheduling

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