Free Security & Auth

Security, authentication, authorization, and privacy. Discover 61+ tools and services with free tiers across 3 categories.

61+

Resources

Browse Security & Auth Categories

Security and PKI

Aikido, Let's Encrypt, Snyk, and 3 more

30 resources

Authentication & User Management

Auth0, Clerk, Firebase Auth, and 3 more

26 resources

Privacy Management

Bearer, Concord, Cookiefirst, and 2 more

5 resources

Popular Security & Auth Resources

Security and PKI View all 30

Aikido

All-in-one appsec: SCA, SAST, CSPM, DAST, secrets scanning, container scanning. Free: 2 users.

Let's Encrypt

Free, automated, and open certificate authority for HTTPS/SSL certificates.

Snyk

Find and fix vulnerabilities in code, deps, containers, and IaC. Free for open-source.

Authentication & User Management View all 26

Auth0

Free up to 7,500 active users and unlimited logins. Universal login, MFA, social login.

Clerk

Authentication and user management. Free: 10,000 monthly active users.

Firebase Auth

Free authentication service: 10K verifications/mo phone auth, unlimited email/password.

Privacy Management View all 5

Bearer

Privacy by design via audits and continuous workflows for GDPR compliance.

Concord

Full data privacy platform with consent management and privacy request handling.

Cookiefirst

Cookie banners, auditing, and consent management. Free: one-time scan and single banner.

Explore Other Categories

Cloud & Infrastructure

Monitoring & Analytics

111+ resources

Design & UI

155+ resources

Collaboration & Management

Backend & Data Monitoring & Analytics