Who is Butterfly for?

Butterfly is an open-source project built for students, professionals, and creatives needing flexible note-taking.

Yes — Butterfly is open source under the AGPL-3.0 license and free to use.

What platforms does Butterfly run on?

Butterfly runs on the web, Android, and embeddable surfaces.

Is Butterfly still active?

The GitHub repository shows 280 commits in the last 90 days.

What projects are similar to Butterfly?

Similar projects tracked by PulseGate include Linwood Butterfly Nightly, Open Notes, and Linwood Butterfly.

Butterfly is developed by CodeDoctorDE.

How long has Butterfly been around?

Butterfly first shipped in 2020.

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Butterfly

Name: Butterfly
Author: CodeDoctorDE

f-droid.orgNote-taking apps

Butterfly is a minimalistic, cross-platform, open source note-taking app for Android and other platforms. It offers drawing, text, PDF/SVG import/export, and an infinite canvas, making it suitable for users who want flexible, device-agnostic note organization.

Open SourceAGPL-3.0WebAndroidEmbeddable

Visit f-droid.org

1.9kstars

139forks

5features

2020since

Overview

5 features

Butterfly is a Note-taking apps project. It enables users to take notes, draw, and organize ideas across devices with open source tools. It is built as an open-source project for students, professionals, and creatives needing flexible note-taking. Butterfly is open source under the AGPL-3.0 license. It runs on the web, Android, and embeddable surfaces.

CodeDoctorDE builds and maintains Butterfly, and it first shipped in 2020. Development happens publicly on GitHub with 1.9k stars and 280 commits in the last 90 days. Key capabilities include note-taking, drawing tools, and PDF/SVG import/export. The interface is available in 26 languages, including Arabic, Tibetan, and Catalan.

Note-taking
Drawing tools
PDF/SVG import/export
Infinite canvas
Cross-platform

Built with & integrations

Runs on

BrowserAndroidEmbeddable

Trust & compliance

License

AGPL-3.0

Verified signals

HTTPSOpen SourceFree tierActive maintenanceMulti-languageStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed28 Jun · 01:37 UTC
Butterfly verified via F-Droid Repository
Source: F-Droid Repository · Open

Frequently asked questions about Butterfly

What does Butterfly do?: Butterfly enables users to take notes, draw, and organize ideas across devices with open source tools. It is catalogued under Note-taking apps on PulseGate.
Who is Butterfly for?: Butterfly is an open-source project built for students, professionals, and creatives needing flexible note-taking.
Is Butterfly free?: Yes — Butterfly is open source under the AGPL-3.0 license and free to use.
What platforms does Butterfly run on?: Butterfly runs on the web, Android, and embeddable surfaces.
Is Butterfly still active?: The GitHub repository shows 280 commits in the last 90 days.
What projects are similar to Butterfly?: Similar projects tracked by PulseGate include Linwood Butterfly Nightly, Open Notes, and Linwood Butterfly.Linwood Butterfly Nightly Open Notes Linwood Butterfly
Who makes Butterfly?: Butterfly is developed by CodeDoctorDE.
How long has Butterfly been around?: Butterfly first shipped in 2020.

At a glance

Pricing: Open Source
Platforms: Mobile · Web
License: AGPL-3.0
Built for: students, professionals, and creatives needing flexible note-taking
Model: Open source
Solves: Enables users to take notes, draw, and organize ideas across devices with open source tools.

Registered as

Google Play: dev.linwood.butterfly

Developer

CodeDoctorDE

Community-driven

Open source

Stars: 1,894
Forks: 139
Open issues: 52
Last commit: 27 Jun 2026
Commits 90d: 280
Contributors: 30
Authorship: Community-driven
Default branch: develop
Latest release: v2.5.3 · 8 Jun 2026

Index record

Indexed: 28 Jun 2026
Lifecycle: Alive
Last seen: 28 Jun 2026

Identity audit (12)

Slug: butterfly-f-droid-org
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 28 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Recorded source: taxonomy-pass-a.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://f-droid.org/packages/dev.linwood.butterfly

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