Task

Nextcloud Notes
View and edit notes on Nextcloud

ntodotxt
Manage your todos in a todo.txt file

Standard Notes
An end-to-end encrypted note-taking app for digitalists and professionals

Grit
A Simple ToDo List and Daily Habit Tracker

Super Productivity
Free to do list & time tracker

Fossify Notes Beta
To do list widget with a notebook organizer, checklist, simple shopping list

Joplin
A note taking and to-do app with sync between Linux, macOS, Windows, and mobile

Todo
Offline, secure, To-Do and Notes app with encrypted storage, fingerprint lock

Tasks.org: Open-source To-Do Lists & Reminders
Private, ad-free task lists! Optional sync with Google Tasks, CalDAV or EteSync!

jtx Board journals|notes|tasks
Keep track of journals, notes & tasks - iCalendar compliant and syncable with yo

Quillpad
Markdown notes, task lists, Nextcloud sync and more. A fork of the Quillnote app

NotallyX - Quick Notes/Tasks
A simple and minimalistic open source notes app

My Brain
Productivity app for Tasks, Notes, Calendar, Diary, Bookmarks and more

Logseq
A privacy-first, open-source platform for knowledge management and collaboration

Orgzly Revived
Outliner for taking notes and managing to-do lists in Org-mode format

Linwood Flow Nightly
Feature rich event, group and time managment system

Improvement Roll
Create a list of productive things to do and improve yourself one task at a time

Karui ToDo
An open source, privacy focussed, aesthetic todo list app.

Todo Agenda
Home screen widgets displaying events from selected calendars and task lists

Everyday Tasks
Manage your tasks, everyday

Markor
Text editor - Notes & ToDo. Lightweight. Markdown and todo.txt support.

To Do
A simple to-do app that follows Material Design 3.

MoeMemos
An app to help you capture thoughts & ideas, syncs with self-hosted Memos server

Notesnook - Private notes app
A fully open source & end-to-end encrypted note taking app

Play NotePad
Robust note-taking app with multimedia and organizational features

Page
The simplest note taking app.

To Don't
The reverse to-do list.

Todo List (PFA)
(SECUSO) Create lists of tasks which can be individually managed.

NoNonsense Notes
A simple notepad and to-do app with an excellent navigation

TimePlanner
Convenient and fast task planning for the day