OpenOTP Authentication Server

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

OpenOTP Authentication Server is ranked #3 of 113 in authenticator apps on Inferse, made by OpenOTP Authentication Server (Esch-sur-Alzette, Luxembourg). It runs on Android, API, iOS, Linux, macOS, Self-hosted, Web, Windows. There is a free plan. A free trial is offered.

Compared on authenticator apps

Free plan: Yesrcdevs.com

Facts

Free plan: Yesrcdevs.com · 20 Sept 2026
Purpose: OpenOTP is an MFA server with OTP and FIDO2 for securing user network access.rcdevs.com · 30 Sept 2026
Deployment: OpenOTP is offered for on-premise installation and as a cloud/SaaS service.rcdevs.com · 30 Sept 2026
Directory integration: The product supports local Active Directory and LDAP directories and lists integrations with Entra ID, DUO, Okta, Google, Ping Identity, and One Identity.rcdevs.com · 30 Sept 2026
Authentication methods: Listed methods include mobile push, FIDO2/passkeys, YubiKey, OATH tokens, SMS, email, printed OTP lists, and PKI certificate authentication.rcdevs.com · 30 Sept 2026
Access policies: The feature list includes per-application, per-user and group, risk-based, network and geolocation policies, plus contextual authentication and step-up/step-down policies.rcdevs.com · 30 Sept 2026
Security features: The feature list includes phishing protection, denial-of-service protection, intelligent geo-fencing, replay attack protection, leaked-password protection, and integrated PKI.rcdevs.com · 30 Sept 2026
Federation and API: Listed integration features include SAML, OpenID Connect, OAuth2, Kerberos, an ADFS plugin, Windows login plugin, RPC-based management API, and SIEM integration.rcdevs.com · 30 Sept 2026
VPN and RADIUS: The OpenOTP RADIUS Bridge provides a RADIUS API over OpenOTP web services and supports enterprise VPN appliances and EAP for Wi-Fi or NAC authentication.rcdevs.com · 30 Sept 2026
Legacy LDAP applications: The optional OpenOTP LDAP Bridge acts as a proxy to provide OTP login mechanisms for existing LDAP users and legacy applications.rcdevs.com · 30 Sept 2026
Platform plugins: RCDevs lists OpenOTP plugins for Windows login, Linux PAM, macOS PAM and login, ADFS, RDWeb Gateway, SimpleSAMLphp, and Nextcloud.rcdevs.com · 30 Sept 2026
Notable limits: The feature table marks LDAP Bridge OTP as currently unsupported in the listed editions and says SMS authentication requires SMS credits or an external SMS provider.rcdevs.com · 30 Sept 2026
Support: The feature table lists SLA and support services as optional, and RCDevs links to product documentation and community forums.rcdevs.com · 30 Sept 2026
Intended customers: RCDevs says it serves SMEs and large corporations across IT, finance, healthcare, and government sectors.rcdevs.com · 30 Sept 2026