Buttercup.

Facts

Headquarters

FI (EU)

Category

Password Manager

Type

Product

GDPR-compliant

Yes

Open-source

Yes

Data hosting

EU

EU alternatives

• AuthPass

  Open-source password manager for mobile and desktop with KeePass support

  AT · open-source

  ↗
• Enpass

  Offline password manager with local storage and cloud backup options

  NL · commercial

  ↗
• gopass

  German open-source team password management with GPG and git

  DE · open-source

  ↗
• heylogin

  German hardware-backed password management with biometrics

  DE · commercial

  ↗
• KeePass

  German open-source offline password manager

  DE · open-source

  ↗
• KeePassXC

  Offline password manager; local-first

  EU · open-source

  ↗
• KeeWeb

  Open-source web-based password manager compatible with KeePass databases

  EU · open-source

  ↗
• LessPass

  Stateless password generator that calculates passwords without storage

  FR · open-source

  ↗

Also in this category

• 1PasswordCA
• BitwardenUS
• LastPassUS
• NordPassLT
• Password DepotDE
• Password SafeDE