Open-source alternatives to Duo

Duo in the IT, security & identity category. These are the open alternatives we recommend looking at.

Multi-factor authentication system with one-time codes, FIDO keys and other tokens.

AGPL-3.0Network copyleft (AGPL)

SaaS: Yes, with conditionsClosed product: No

This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.

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