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Tree structure
Organize knowledge in a hierarchy. Nest, fold, and reorder notes with drag and drop.
Your second brain, organized
Capture your knowledge.
Find it in a keystroke.
Pencil is a fast, keyboard-first notebook that keeps everything you learn in a clean tree — ready to revisit, refine, and share.
Keyboard-first · Tree-organized · Publish in one click
pencil.golery.com● Synced
Engineering / System design
Caching strategies
Cache-aside keeps the application in control: read from cache first, fall back to the database, then populate.
func Get(key string) {
if v, ok := cache[key]; ok { return v }
}
if v, ok := cache[key]; ok { return v }
}
💡 Invalidate on write, not on read.
⇧ Enter New child note
Published to the web
Features
Everything you need to think clearly
Handy shortcuts
Plenty of keys for power users. Your hands never leave the keyboard.
Enter⇧ Enter⇧ ↑⇧ ↓Del
Easy to publish
Share any note with the world in a single click.
pencil.golery.com/p/caching
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Content widgets
Powerful built-in blocks: code with syntax highlighting, images, headings, lists, and more.
How it works
From thought to shareable page
1
Capture
Jot ideas the moment they appear. No setup, no friction.
2
Organize
Drag notes into a tree that mirrors how you think.
3
Share
Publish any page to the web when it's ready.
Keep your notes right where they are
Already have notes saved on your computer? Open the folder in Pencil and keep working with them — including your existing Obsidian vault. No uploading, no moving files.
A big plus for Obsidian users
Open your Obsidian vault directly in Pencil
Keep your Markdown files, folders, and existing organization exactly where they are.
Download Pencil Local
Download a small app that lets Pencil access folders on your computer.
Open your notes folder
Choose any folder of notes on your computer — an Obsidian vault, Markdown folder, or your own folder structure.
Start writing
Your notes appear in Pencil just like your other notebooks. Changes are saved directly to your files.
Your files stay yours
Your files stay on your computer.
Your Obsidian vault and other local notes stay on your computer. Pencil simply gives you a nicer way to work with them.
- Nothing is uploaded to Pencil
- You choose which folders Pencil can access
- Your existing files stay where they are
- Close Pencil Local anytime to stop access
Your Obsidian vault. Your Markdown files. Your computer.
Turn yourself into a note pro.
Start capturing what you learn today — your future self will thank you.