書寫
Nontrinsic
Where nonsense lives on.
Magpie
Tamper-evident incident journal with encrypted, self-proving exports
Modern T9
Predictive T9 keyboard with no network access and no telemetry
Standard Notes
An end-to-end encrypted note-taking app for digitalists and professionals
Markleaf
Local-first Markdown notes with tags, search, and file export
Indic Keyboard
支持印度語的 AOSP 鍵盤
SiYuan
Open-source knowledge workspace for humans and AI agents
Butterfly
Take notes, draw freely, and organize ideas across an endless workspace
WAFRN
The social network that respects you
樸實注音鍵盤
樸實無華、開放原始碼的注音輸入法鍵盤
TeXslate
On-device LaTeX/XeTeX editor: compile & PDF preview offline, no cloud
DailyLog
A quick-logging notes app with customizable shortcut buttons.
Stroke Input Method (筆畫輸入法)
A minimalist Chinese keyboard.
xnotes
Handwriting notes and sketching app with stylus support
Daily You
每一天都值得被記住……
Fossy Protokoll
Document rental defects and build protocols — offline, no tracking.
Markdown Reader — PilcrowMD
Read & edit Markdown beautifully. No ads, no account, open source.
Linwood Butterfly Nightly
Take notes, draw freely, and organize ideas across an endless workspace
Xed-Editor
Advanced Text Editor for Android
Ethic Notes
Private, offline, zero-permission notes application.
Thunderbird: 釋放你的收件匣
Thunderbird 是一款 100% 開源、注重隱私的電子郵件應用程式。
Quotes.app
A minimalistic quotes app
UnicodePad
以 Unicode 格式輸入每個字符
Open Notes
A minimalist, secure, and fully offline notes app.
曦码输入法
基於 Rime 引擎建構的 Android 五筆/拼音輸入法
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
Grit
A Simple ToDo List and Habit Tracker
Helio
Music sequencer, designed to be used on all major platforms
