Cisco Duo
Duo flips the script on identity with security-first IAM that attackers hate and users love.
Security and IT · by Cisco · duo.com
Open Cisco Duo in AirStackCisco Duo pricing and plans
| Duo Essentials | $3 per user / month |
| Duo Advantage | $6 per user / month |
| Duo Premier | $9 per user / month |
| Duo Free | $0 per user / month |
List prices as written on its pricing page, read 2026-11-04. Hover a price for the quote. Prices change: check before you buy.
What Cisco Duo’s own pages say
| What it says it does | Duo flips the script on identity with security-first IAM that attackers hate and users love. duo.com |
|---|---|
| Platforms | Duo for iOS, Duo for Android, Android, iOS duo.com duo.com |
| Compliance | ISO 27001, SOC 2 duo.com |
| Free plan | Yes duo.com |
| Plans | Duo Essentials, Duo Advantage, Duo Premier, Duo Free, Advantage, Essentials, Premier duo.com duo.com |
| Customers (their claim) | Gain exposure to 100,000+ customers, and 18,000+ MSPs and thousands of Cisco resellers duo.com |
Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.
Cisco Duo alternatives
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Open-source alternatives to Cisco Duo
- nilsteampassnet/TeamPass ★ 1,884 · GPL-3.0
Self-hosted collaborative password manager for teams: folder-level access control, AES-256-GCM encryption, LDAP/AD, OAuth2 SSO, audit trail, REST API, browser e - ory/kratos ★ 13,948 · Apache-2.0
Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX - kanidm/kanidm ★ 5,535 · MPL-2.0
Kanidm: A simple, secure, and fast identity management platform - drduh/YubiKey-Guide ★ 13,065 · MIT
Community guide to using YubiKey for GnuPG and SSH - protect secrets with hardware crypto. - Kunzisoft/KeePassDX ★ 7,621 · GPL-3.0
Lightweight vault and password manager for Android, KeePassDX allows editing encrypted data in a single file in KeePass format and fill in the forms in a secure - beenuar/AiSOC ★ 7,268 · MIT
Open-source AI Security Operations Center: alert fusion, LLM-agent triage, MITRE ATT&CK investigation, and a replayable decision ledger for every agent step. Se
Projects tagged with Security and IT topics on GitHub, ranked by stars. A lead, not an endorsement.