LibreAI / 生産性 / Joplin
// productivity · laurent22/joplin

Joplin

Joplinは、laurent22が公開しているオープンソースの生産性プロジェクトです(GitHub: laurent22/joplin)。GitHubスターは56,771、フォークは6,347で、Custom (check repo)ライセンスの下で公開されています。GitHubでの最終更新は2026年10月17日です。

Joplin — the privacy-focused note-taking app: Markdown notes and to-dos on every platform, offline-first, with end-to-end encrypted sync you control

★ 56.8k スター⑂ 6.3k フォークCustom (check repo)更新 2026年10月
▦ ビジュアル — このプロジェクトのREADMEには埋め込み可能なスクリーンショットがないため、
ここではプレースホルダーを表示しています。下のガイド自体は完全な内容です。
// プロジェクトの基本情報

プロジェクト基本情報

リポジトリ
laurent22/joplin
GitHubスター
56,771
フォーク
6,347
ライセンス
Custom (check repo)
GitHubでの最終更新
2026年10月17日
カテゴリ
生産性
掲載タイプ
完全なインストールガイド
公式サイト
Official site
// 仕組み

仕組み

  1. Install the apps

    Download Joplin for your desktop and phone from joplinapp.org — notes are stored locally and work fully offline.

  2. Choose your sync

    Pick a sync target in settings — Nextcloud, Dropbox, OneDrive, Joplin Cloud or a self-hosted Joplin Server — and enable end-to-end encryption if you want the server to store only ciphertext.

  3. Clip and organise

    Add the Joplin Web Clipper to your browser to save pages and screenshots straight into notebooks, and extend the app with community plugins and themes.

// 機能

選ばれる理由

Offline-first, everywhere

Full native apps on desktop and mobile; your complete notebook is on-device, internet or not.

Encrypted sync, your choice of backend

Sync via Nextcloud, file sync, Joplin Cloud or your own Joplin Server — with end-to-end encryption available.

Plain Markdown notes

Notes are Markdown with full-text search, tags, to-dos and attachments; Evernote imports are handled natively.

Clipper, plugins, themes

A browser web clipper for research, and a plugin ecosystem that reshapes the app around your workflow.

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// 自分で実行

自分で実行してみる

  1. Download the apps

    Desktop and mobile installers from the official site.

    https://joplinapp.org/download
  2. Self-host the sync server (optional)

    Joplin Server ships as a Docker image for those who want sync on their own hardware.

    docker run -d --name joplin-server -p 22300:22300 joplin/server:latest
  3. Enable E2EE

    In any Joplin app: Settings → Encryption → enable, set a password, and let each device unlock once.

// 活用例

作れるもの

Exam candidates keep a different kind of notebook — Pei-Pei-Shua pairs AI explanations with a mistake log and pomodoro todos as a study companion for the civil-service exam. The Productivity shelf also holds Horizon — your own AI news radar — daily briefings in English and Chinese from RSS, Hacker News, Reddit, X and more. For a different angle on this shelf, OB1 opens Brain (OB1): one database, one AI gateway, one capture channel — shared memory for every AI you use.

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// よくある質問

よくある質問

Who makes Joplin?

Laurent Cozic and a large open-source community (laurent22/joplin on GitHub); Joplin Cloud is the optional paid service that helps fund it.

Is Joplin free?

The apps are free and open source — check the repository for licence terms. Joplin Cloud, the hosted sync option, is a paid subscription; self-hosting sync is free.

Are my notes really private?

Notes live on your devices; with end-to-end encryption enabled, sync servers only hold encrypted data. Without E2EE, privacy depends on the sync provider you chose.

How does it compare to a well-known alternative?

Against Evernote, Joplin is open source, offline-first and free with your own sync, at the cost of Evernote polish in areas like OCR search. Against Obsidian, Joplin is fully open source with built-in sync targets and to-dos; Obsidian counters with its graph and plugin depth — and a commercial core.

How do I get started?

Install the desktop and mobile apps from joplinapp.org, create notebooks, then turn on the sync target of your choice.

// さらに探索

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// 代替候補

代替候補: 生産性

LibreAIカタログに掲載された生産性プロジェクトの中で最もスターの多いもの — Joplinが合わなかった場合に検討したい、現実的な候補リストです。

// さらに見る productivity

さらに見る: 生産性

カタログの中でJoplinとスター数が近い生産性プロジェクト — 前後の棚もそのまま見て回れます。

Joplinを入手する

無料でオープン — ソースコードを入手して、リポジトリにスターを付け、作り始めましょう。