Writing

Tella
Encrypt and hide files on your device

CBTAndroid
Seven column CBT thought journal

PocketPlan
To-do list ✔️ Birthdays 🎂 Notes 📝 Shopping list 📜 Sleep reminder 💤

Ruslin
A note application that supports syncing using a self-hosted Joplin server.

Notepad
A simple, bare-bones, no-frills note taking app

aksharam
A reference app for Indian language scripts

OneShot
Remember the happy days!

VergissNix
Create short and simple reminders.

Safe Notes - Encrypted Notepad
Encrypted, Private note manager

Shopping List (Privacy Friendly)
(SECUSO) Create shopping lists and manage them privacy friendly

Indic Keyboard
AOSP Keyboard with Indic language support

toodoo
toodoo - a minimalistc task manager, just tasks, categories, filtering, sorting

Helio
Music sequencer, designed to be used on all major platforms

sNotz
An open-source and completely offline application to manage simple notes

Todo List (PFA)
Keep a list of tasks

ShoppingList
a simple shopping list application

Open Markdown Notes (OMN)
Notes taken application with Markdown, HTML, CSS and JavaScript support

TodoTree
The tree based todo and note taking app

OCR
OCR based on Tesseract 5

Anemo
A private local storage utility application for android.

Linwood Butterfly
Powerful, minimalistic, cross-platform, opensource note-taking app

Task Manager
A regular app to track the tasks you want to do in a day.

Simple Material Notes
A simple notes app with material design.

Tiddloid
Tiddloid is an app to work with locally stored TiddlyWikis.

Orgzly
Outliner for notes and tasks in plain-text

Fujiten
Japanese dictionary made with flutter

LifeDots - Diary in 8 dimensions
Diary in 8 dimensions

Ionic Notes
A simple notepad app

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

Simpletask Nextcloud
A todo manager based on todo.txt