Free and open first
Best OAuth Server Software in 2026 — page 2
- 32 apps
- Research read 23 Sept 2026
- How the order is worked out
- 26
Stytch
Free plan AndroidAPIiPhone+1Stytch combines a broad set of identity, access-control, and fraud tools with implementation options for frontend and backend developers.
- 27
ZITADEL
Free plan APILinuxMac+2Choose ZITADEL if you need identity management with B2B role delegation, multiple authentication options, and a choice of cloud or self-hosted deployment.
- 28
oidc-provider
Free plan APISelf-hosted - 29
IBM Verify
by IBM VerifyFree trial AndroidAPIiPhone+1IBM Verify brings workforce and customer identity controls into one platform, with orchestration, federation, lifecycle features, and several multifactor options.
- 30
- 31
Gluu Flex
Paid APILinuxSelf-hosted+1 - 32
PingOne
Paid WebPingOne covers workforce and customer identity workflows, with SSO protocols, adaptive access, MFA, and provisioning.