Open-source alternatives to Todoist

Advanced todo app with timeboxing and tracking — 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.

↔ alternative to Todoist、TickTick、Things

Task manager with Todoist, Nextcloud & CalDAV support — Task manager with Todoist, Nextcloud & CalDAV support designed for GNOME

↔ alternative to Todoist

Minimal Material Design to-do app — Material To-Do App

↔ alternative to Notion、Todoist、Microsoft To Do

Minimalist weekly planner and to-do lists — WeekToDo is a Free and Open Source Minimalist Weekly Planner and To Do list App focused on privacy. Available for Windows, Mac, Linux or online.

↔ alternative to Notion、Todoist

GTD to-do app that surfaces your next action — Get every task and idea out of your head, then see the next thing to do. Getting Things Done (GTD) app for desktop and mobile.

↔ alternative to OmniFocus、Things、Todoist

Keyboard-driven terminal UI for todo.txt — A fast, keyboard-driven terminal UI for todo.txt.

↔ alternative to Todoist

Manage your Dropbox todo.txt list on Android — Official Todo.txt Android app for managing your todo.txt file stored in Dropbox.

↔ alternative to Todoist

Simple todo list and habit tracker for Android. — 🔨 A Simple todo list and habit tracker for Android

↔ alternative to Todoist

Android task management app. — Astrid: Android's #1 Task Management Application

↔ alternative to Todoist