Authentication
Auth providers, SSO, identity management
Soft.xyz tracks 10 authentication tools, 10 with a free plan, 5 open source. Paid entries start at $0/mo (Lucia) and go up to $35/mo (Auth0). Most GitHub traction: Better Auth with 28,900 stars. Rankings below use real metrics, not vendor claims.
10 authentication tools currently tracked: 6 open source, 4 with a managed free tier, 0 paid-only.
By GitHub activity the most popular is Better Auth (28.9k stars).
Cheapest paid plan in the list starts at $25/mo (Clerk).
Open source (6)
Managed with free tier (4)
Discontinued in Authentication
2 tracked products in this category are no longer maintained. Check before you build on one.
FAQ
How many authentication tools are tracked here?
10, of which 10 offer a free plan and 5 are open source.
What is the cheapest authentication tool?
Lucia starts at $0/mo, while Auth0 is the priciest tracked entry at $35/mo.
Which authentication tool has the most traction?
Better Auth leads the tracked set with 28,900 GitHub stars.