書寫
Xed-Editor
Advanced Text Editor for Android
Ethic Notes
Private, offline, zero-permission notes application.
UnicodePad
以 Unicode 格式輸入每個字符
Relatrix
An active knowledge-management and multi-modal note-taking platform.
Nocean
Offline rich-text notes with fonts, media and no cloud
PDF Toolkit
All-in-one PDF and image toolkit for Android
Helio
Music sequencer, designed to be used on all major platforms
Tasks.org: Open-source To-Do Lists & Reminders
Private, ad-free task lists! Optional sync with Google Tasks, CalDAV or EteSync!
Nextcloud Notes
View and edit notes on Nextcloud
Pocket Prose
A writing app for a folder of Markdown notes, filed by tag.
neutriNote CE
A hub of written thoughts in fast searchable plain text
Sithakuru
Libre Sinhala Keyboard
Joplin
A note taking and to-do app with sync between Linux, macOS, Windows, and mobile
Notesnook - Private notes app
A fully open source & end-to-end encrypted note taking app
SwiftSlate
System-wide AI text assistant — type a trigger, get instant text transformation
Unexpected Keyboard
為Android打造的輕量、注重隱私的虛擬鍵盤。
MoasdaWiki
Privacy-Friendly Knowledge Management App
Trime
使用 Rime 輸入法引擎的中文輸入法
Crystalpad
一個簡單的記事本，沒有追蹤或廣告，只有您的筆記。
Emacs
The extensible self-documenting text editor
Iris Keyboard
Advanced FOSS keyboard with AI Copilot, translation, and key sound synthesis
Egyptian Writer
View, write and export ancient Egyptian texts.
My Notes - Take notes anywhere
Very simple note-taking
ntodotxt
Manage your todos in a todo.txt file
Orgzly Revived
Outliner for taking notes and managing to-do lists in Org-mode format
Leafpad
A simple notebook
SimpleDay
Minimalist Markdown diary with app lock and your-own-cloud WebDAV sync.
文字辨識（OCR）
基於 Tesseract 5 的文字辨識（OCR）
Midnight
A dream journal app aimed to be straightforward
traced it
Quick notes with time & amounts
