LinOTP

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

LinOTP is ranked #19 of 49 in multi-factor authentication software on Inferse. It runs on Android, API, iOS, Linux, Self-hosted, Web, Windows. There is a free plan. A free trial is offered.

Compared on multi-factor authentication software

Free plan: Yeslinotp.org

Facts

Purpose: LinOTP is an open-source platform for strong multi-factor authentication and protecting digital identities and transactions.linotp.de · 4 Oct 2026
Scale: The maker says LinOTP scales from small installations to enterprises with thousands of users and supports distributed setups.linotp.de · 4 Oct 2026
Protocols: The product page lists SAML, OIDC, ADFS, and RADIUS among its integration protocols.linotp.de · 4 Oct 2026
Directories: LinOTP connects to Active Directory, LDAP, and SQL databases including PostgreSQL, MySQL, MariaDB, Oracle, and DB2.linotp.de · 4 Oct 2026
Tokens: Supported token options include OATH TOTP/HOTP, push, QR, SMS, email, and hardware tokens including FIDO U2F and WebAuthn.linotp.de · 4 Oct 2026
Offline login: The maker describes offline authentication for Windows users without a permanent internet connection.linotp.de · 4 Oct 2026
Self-service: Users can register, manage, and reset tokens through a self-service portal, and hardware tokens can be automatically resynchronized.linotp.de · 4 Oct 2026
Deployment: The maker lists a virtual appliance compatible with common hypervisors and container deployment for Kubernetes and other orchestration platforms.linotp.de · 4 Oct 2026
Security and compliance: The product page says its open-source architecture is auditable and lists support for GDPR, ISO 27001, NIS2, BSI IT-Grundschutz, PSD2, and PCI-DSS requirements.linotp.de · 4 Oct 2026
Audit: The LinOTP site says its signed audit log records authentication and management actions and is tamper-proof.linotp.org · 4 Oct 2026
Support: Paid support offerings include support contracts with SLAs, software subscriptions, integration services, possible 24/7 emergency response, SaaS, training, and remote or on-site help.linotp.de · 4 Oct 2026
Notable install limits: The LinOTP 3 download page lists Debian 10 Buster packages, says RPM packages are currently available only for LinOTP 2, and notes other Linux distributions may use source or pip installation.linotp.org · 4 Oct 2026
Maker: LinOTP is developed and maintained by netgo software GmbH.linotp.de · 4 Oct 2026

Company

Headquarters: Berlin, Germanylinotp.org · 28 Sept 2026
Headquarters: The netgo software GmbH legal notice gives its address as Sachsendamm 63-64, 10829 Berlin, Germany.linotp.de · 4 Oct 2026
Founded: The company page says the LinOTP team has developed solutions since 2012; it does not state an exact founding year.linotp.de · 4 Oct 2026