Best Authentication & Authorization Tools to Use in 2026
Discover the best free and open-source authentication & authorization tools. Curated list with alternatives and reviews.
Top Picks
A
Auth0
Easy to implement, adaptable authentication and authorization platform
Free
G
GetOTP
Implement OTP flow quickly
Free
M
Micro User Service
User management and authentication
Free
M
MojoAuth
Secure and modern passwordless authentication platform
Free
S
SAWO Labs
Simplify login and improve user experience by integrating passwordless authentication in your app
Free
S
Stytch
User infrastructure for modern applications
Free
More Great Options
FAQ
Are these tools really free?
Yes! All tools listed on Craftisle are 100% free or have a generous free tier.
How do you choose the best tools?
We evaluate based on features, ease of use, community support, and update frequency.