# authentik vs Optimal IdM LDAP Proxy Firewall: side-by-side comparison (2026) [authentik](https://cybersectools.com/tools/authentik) is a commercial [access management](https://cybersectools.com/categories/access-management) solution by [Authentik](https://cybersectools.com/companies/authentik). [Optimal IdM LDAP Proxy Firewall](https://cybersectools.com/tools/optimal-idm-ldap-proxy-firewall) is a commercial [access management](https://cybersectools.com/categories/access-management) solution by [Optimal IdM](https://cybersectools.com/companies/optimal-idm). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Access Management Solutions for Business](https://cybersectools.com/shortlists/best-access-management-solutions) picks Microsoft Entra ID, Okta Single Sign-On, Ping Identity Platform and 4 more. ## Side-by-side comparison | | authentik | Optimal IdM LDAP Proxy Firewall | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Access Management | Access Management | | Verified | No | No | | Deployment type | Hybrid | On-Premises | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Authentik | Optimal IdM | | Headquarters | – | – | ### Use cases and capabilities | | authentik | Optimal IdM LDAP Proxy Firewall | |---|---|---| | Authentication | Yes | Yes | | Single Sign On | Yes | – | | MFA | Yes | – | | Open Source | Yes | – | | Active Directory | Yes | Yes | | Proxy | – | Yes | | NTLM | – | Yes | ### Core features **authentik** 10 features listed. Sign in on the page to see them. **Optimal IdM LDAP Proxy Firewall** 10 features listed. Sign in on the page to see them. ### Integrations **authentik** 27 integrations listed. Sign in on the page to see them. **Optimal IdM LDAP Proxy Firewall** 3 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [authentik](https://cybersectools.com/tools/authentik) fits if you need both cloud and on-premises options and you are a startup. - [Optimal IdM LDAP Proxy Firewall](https://cybersectools.com/tools/optimal-idm-ldap-proxy-firewall) fits if you need to run it on your own servers. ## authentik vs Optimal IdM LDAP Proxy Firewall FAQ Common questions when comparing authentik vs Optimal IdM LDAP Proxy Firewall for access management. ### What is the difference between authentik and Optimal IdM LDAP Proxy Firewall? **authentik**: Open-source identity provider with SSO, MFA, and application proxy capabilities. Built by Authentik. **Optimal IdM LDAP Proxy Firewall**: LDAP proxy firewall for securing Active Directory and LDAP directories. Built by Optimal IdM. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes authentik and Optimal IdM LDAP Proxy Firewall? **authentik** is made by Authentik. **Optimal IdM LDAP Proxy Firewall** is made by Optimal IdM. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is authentik a good alternative to Optimal IdM LDAP Proxy Firewall? Often, yes. authentik and Optimal IdM LDAP Proxy Firewall are both Access Management products, and both cover Active Directory, Authentication. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [authentik vs Cerebra mPass sso](https://cybersectools.com/compare/authentik-vs-cerebra-mpass-sso) - [authentik vs OneLogin Virtual LDAP Service](https://cybersectools.com/compare/authentik-vs-onelogin-virtual-ldap-service) - [authentik vs Ubisecure Workforce Identity & Access Management](https://cybersectools.com/compare/authentik-vs-ubisecure-workforce-identity-and-access-management) - [Optimal IdM LDAP Proxy Firewall vs Cerebra mPass sso](https://cybersectools.com/compare/cerebra-mpass-sso-vs-optimal-idm-ldap-proxy-firewall) - [Optimal IdM LDAP Proxy Firewall vs OneLogin Virtual LDAP Service](https://cybersectools.com/compare/onelogin-virtual-ldap-service-vs-optimal-idm-ldap-proxy-firewall) - [Optimal IdM LDAP Proxy Firewall vs Ubisecure Workforce Identity & Access Management](https://cybersectools.com/compare/optimal-idm-ldap-proxy-firewall-vs-ubisecure-workforce-identity-and-access-management) ## Alternatives to each - [See all authentik alternatives](https://cybersectools.com/alternatives/authentik) - [See all Optimal IdM LDAP Proxy Firewall alternatives](https://cybersectools.com/alternatives/optimal-idm-ldap-proxy-firewall) --- Source: https://cybersectools.com/compare/authentik-vs-optimal-idm-ldap-proxy-firewall For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/authentik.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on authentik and Optimal IdM LDAP Proxy Firewall: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md