Authentication

285+ open-source auth tools — OAuth, SSO, passkeys, MFA, and session management. Alternatives to Auth0, Clerk, and Firebase Auth.

PassIt

Simple password manage with sharing features by group and user, but no administration interface

Authentication
password-managersharinggroups
Visit →
Psono

Password manager for companies

Authentication
password-managerteamsenterprise
Visit →
Permit.io

Permissions and access-control as a service. [](https://launchweek.dev)

Authentication
authorizationrbacabac
Visit →
Pixee

Automated vulnerability remediation. Fixes vulnerabilities and hardens code

Authentication
securityairemediation
Visit →
LoginRadius

Managed user authentication service with SSO

Authentication
social-loginssomfa
Visit →
Okta

Embeddable authentication with SSO

Authentication
enterprisessomfa
Visit →
Oso

Authorization framework (RBAC)

Authentication
authorizationlibrarypolicy
Visit →
dalek-cryptography/curve25519-dalek

Curve25519 operations

Authentication
rustcurve25519crypto
Visit → 1137★
Stytch

All-in-one authentication, authorization, and fraud prevention infrastructure. [](https://launchweek.dev)

Authentication
passwordlesspasswordsoauth
Visit →
debris/tiny-keccak

Keccak family (SHA3)

Developer Tools
rustkeccakhash
Visit → 203★
Titan

Streamline role-based access control, enforce security policies, and ensure compliance for your Snowflake data warehouse

Authentication
self-hostednotificationswebhooks
Visit → 480★
Passbolt

Open-source password manager built for teams.

Authentication
password-managerteamopen-source
Visit → 1 AI recommendations
Compare tools: Lucia Auth vs keyper · keyper vs SSOReady · SSOReady vs Arctic