Can I open-source Napkin?

YES · mature open-source replacement
price variescategory 🧠 notes & knowledgereplaced by 0 people

Yes. AppFlowy (75k stars), AFFiNE (71k stars), Joplin (56k stars) are mature open-source replacements for Napkin — self-host with docker and stop paying.

why people still pay

Napkin: People pay for a writing surface they trust for years, plus migration tools, sync, and tiny interaction details that disappear into habit.

what you lose

xconflict-safe multi-device sync

xmature importers and exporters

xcollaborative editing and sharing

xnative mobile clients

the open-source alternatives

These projects already replace it, free.

AAtomicShort notes turn into a semantic graph without waiting for you to become an archivist.1.6kjul 2026open source↗AAppFlowyAI-powered workspace with docs, wikis, and kanban boards built in Rust/Flutter75kaug 2026open source↗AAFFiNEDocs, whiteboards, and databases fused into one local-first workspace71kaug 2026open source↗

What each one is, in full: AppFlowy · AFFiNE

all 8 open-source alternatives to Napkin →· no votes, no pay-to-list · just what's real

share on X ↗"I just replaced Napkin with open source"
the numbers

Napkin pricing

planmonthlyannual (per mo)what you get
free download / trial$0/user$0/userSubscription is required for continuing use; official listing does not publish a trial length or numeric idea cap
all features, monthly$5/user—All app features; offline use with tens of thousands of ideas; iPhone only
all features, yearly—$3.33/userAll app features; offline use with tens of thousands of ideas; iPhone only

free tierno permanent free tier; trial length and numeric allowance are not published

billingmonthly ($5) + annual ($40/year) through Apple

hidden costsThe App Store also lists older generic $3/month and $30/year SKUs, but their current availability is unclear. Subscription is required, and the rebuilt app currently requires iOS 26 on iPhone.

verified 2026-08-13 · source ↗

questions
Can I open-source Napkin?

Yes. Atomic replaces Napkin today — self-host it on your own server or machine with no subscription. The full list of open-source alternatives is on this page.

How much does Napkin cost?

Napkin's pricing is usage-based or varies by plan · The official pricing URL is recorded, but a stable current amount was not safely recoverable in this pass. Do not publish a number until rechecked..

What do I lose by replacing Napkin?

Honestly: conflict-safe multi-device sync; mature importers and exporters; collaborative editing and sharing; native mobile clients. If any of those are load-bearing for you, keep paying.

Is there an open-source alternative to Napkin?

Yes: Atomic (Short notes turn into a semantic graph without waiting for you to become an archivist.) AppFlowy (AI-powered workspace with docs, wikis, and kanban boards built in Rust/Flutter) AFFiNE (Docs, whiteboards, and databases fused into one local-first workspace) All 8 curated open-source alternatives are at caniopensourceit.online/napkin/alternatives.