10 best WorkOS alternatives

Ory

Ory provides identity, authentication, authorization, and OAuth2/OIDC services through Ory Network and related open-source projects such as Kratos, Hydra, and Keto. The commercial site targets CIAM, B2B IAM, fine-grained permissions, passkeys, and enterprise SSO for applications that need scalable, API-first identity infrastructure.

• From $770/mo
• Free plan
• API available

Best for: Product and platform teams replacing Auth0-style stacks or self-hosting Ory components who need hosted Ory Network production environments.

Pritunl

Pritunl is an open-source enterprise VPN platform for OpenVPN, WireGuard, and IPsec with a web management UI, multi-host clustering over MongoDB, and optional premium features such as SSO and site-to-site links. It targets self-hosted remote access and VPC peering across clouds.

• From $10/mo
• Free plan
• API available

Best for: Infrastructure teams needing self-hosted VPN with horizontal scaling and enterprise authentication options.

Cloudanix

Cloudanix is a CNAPP+ platform spanning code, cloud, access, and agentic security on one graph. It offers CSPM, CIEM, workload protection, just-in-time access, coding-agent guardrails, and LLM-native investigation across AWS, Azure, GCP, and Kubernetes with self-serve Pro SKUs and enterprise options.

Castle

Castle provides SDKs and APIs to detect bots, monitor risky logins, and stop account abuse using device, email, IP, and behavioral intelligence. Teams integrate Castle to score traffic and automate policy actions in web and mobile apps.

• From $200/mo
• Free plan
• API available

Best for: Product and fraud teams at consumer apps that need bot detection, account takeover protection, and IP intelligence without heavy integration friction.

Aserto

Aserto provides cloud-native authorization as a service with fine-grained RBAC, ABAC, or ACL enforced in about a millisecond. Developers use SDKs, policy repositories, and authorizer instances to centralize permissions for applications and APIs.

• From $0.20/mo
• Free plan
• API available

Best for: Teams adding centralized, low-latency authorization to SaaS apps, especially alongside Auth0 or similar identity providers.

PropelAuth

PropelAuth provides authentication and org management built for B2B and AI-native products. The platform covers hosted login UIs, SAML and enterprise SSO, RBAC, API keys, and MCP authentication so teams can ship secure multi-tenant apps faster.

• From $150/mo
• Free plan

Hook Relay

Hook Relay provides webhooks-as-a-service with reliable delivery, retries, payload logging, SSRF protections, and debugging for outbound webhook integrations. It targets teams that want Stripe-quality webhook infrastructure without building a custom backend.

• From $30/mo
• Free plan
• API available

Best for: SaaS vendors and integrators adding customer-facing webhooks with observability and retry policies.

Doppio

Doppio is a managed HTML-to-PDF and screenshot API that renders documents without self-hosting Puppeteer. It offers Chromium-based rendering, direct S3 upload, webhooks, templates, and EU-hosted infrastructure for production PDF and PNG generation at scale.

Novu

Novu is open-source notification infrastructure for connecting AI agents and products to customers across in-app, email, SMS, push, WhatsApp, Slack, Teams, and Telegram channels. Cloud plans meter workflow runs while enterprise options add compliance, residency, and self-hosted deployment.

Infisical

Infisical is a security platform for developers and AI agents covering secrets management, certificate management, and privileged access. Cloud plans scale by identities with integrations, rotation, SSO, and enterprise controls for larger organizations.

• From $23/mo
• Free plan
• API available

Best for: Engineering teams and agent builders needing centralized secrets, certificates, and privileged access with SSO and audit trails.