Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, Gitlab, GitHub and Open Project.

Tasks, boards & notes for the command-line habitat

☑️ A simple and extensible shell script for managing your todo.txt file.

DooTask是一款开源在线项目任务管理工具，提供各类文档协作工具、在线思维导图、在线流程图、项目管理、任务分发、即时IM，文件管理等工具；同时消息功能使用非对称加密技术让你的沟通更安全。

Taskwarrior - Command line Task Management

Text editor - Notes & ToDo (for Android) - Markdown, todo.txt, plaintext, math, ..

Outliner for taking notes and managing to-do lists

Task management for the Obsidian knowledge base.

‼️ A complete primer on the whys and hows of todo.txt.

Material To-Do App

Elegant Microsoft To-Do desktop app

🔥项目采用 Kotlin 语言，基于 MVP + RxJava + Retrofit + Glide + EventBus 等架构设计，努力打造一款优秀的 [玩Android] 客户端

Multitree-based personal task manager

An open source to do app for bookmarks.

📇 Synchronize calendars and contacts.

Modern TUI calendar and task manager with minimal and customizable UI.

iOS Todo Application using RxSwift and ReactorKit

Tracks is a GTD™ web application, built with Ruby on Rails

A plain-text file format for todos and check lists

Flutter ToDo App with Firebase