OSS Discovery

FI
Finland
SECURITY & PRIVACY
CLOUD-READY
STABLE
FREE
Buttercup

BUTTERCUP

Buttercup: the free, open-source password manager. Protect your credentials with strong encryption. Store securely across Mac, Linux, and Windows. Industry-standard security for your vault. Access your encrypted data with confidence. End-to-end protection for your digital identity. Reliable, cross-platform, and secure.

GITHUB STARS
4.4k
+12% this month
FORKS
340
Active community
LAST PUSH
Apr 24, 2026
Stable
WATCHERS
64
Tracking updates
LICENSE
GPL-3.0
Commercial use
Buttercup: the free, open-source password manager. Protect your credentials with strong encryption. Store securely across Mac, Linux, and Windows. Industry-standard security for your vault. Access your encrypted data with confidence. End-to-end protection for your digital identity. Reliable, cross-platform, and secure.

High Performance

Built for speed and minimal overhead.

Self-hostable

Docker, Kubernetes, or bare metal

Developer Native

Programmable via any language workflow

SUPPORTED LANGUAGES

TypeScript
TypeScript
JavaScript
JavaScript
Sass
Sass
NSIS
NSIS
Pug
Pug

VISUAL INTERFACE

Screenshot 1
Screenshot 2
Screenshot 3

The Quick Glance

Status
Legacy
Category
Security & Privacy
Pricing
Free
Self-Hosted
No
Available on
Web
Latest Release
v2.28.1
Sep 8, 2024

Relative Standing — across 1,284 tools

STARS4.4k
Top 51% globally
FORKS340
Top 57% in Open Source
ACTIVITYLow
Top 88% Activity
WATCHERS64
Top 46% Community