记录
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
适用于数字专家和专业人士的端到端加密笔记应用
Markleaf
本地优先的 Markdown 笔记，支持标签、搜索与文件导出
Indic Keyboard
支持印度语的 AOSP 键盘
SiYuan
开源、隐私优先、自托管的知识工作空间
Butterfly
在无边界的工作空间中记录笔记、自由绘制，并整理你的想法
WAFRN
The social network that respects you
Guileless Bopomofo Keyboard
A simple Bopomofo software keyboard (input method editor) for typing Hanyu
TeXslate
On-device LaTeX/XeTeX editor: compile & PDF preview offline, no cloud
DailyLog
A quick-logging notes app with customizable shortcut buttons.
筆畫輸入法 (Stroke Input Method)
簡樸中文鍵盤者。
xnotes
Handwriting notes and sketching app with stylus support
日迹心语
每一天都值得被记住……
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
在无边界的工作空间中记录笔记、自由绘制，并整理你的想法
Xed-Editor
Advanced Text Editor for Android
Ethic Notes
Private, offline, zero-permission notes application.
Thunderbird：解放收件箱
Thunderbird 是 100% 开源、注重隐私的电子邮件应用。
Quotes.app
A minimalistic quotes app
UnicodePad
以 Unicode 格式输入每个字符
Open Notes
A minimalist, secure, and fully offline notes app.
曦码输入法
基于 Rime 引擎构建的 Android 五笔/拼音输入法
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
音乐序列仪，旨在用于所有主要平台
