Add login, signup, SSO, and session management without building from scratch.
Building authentication from scratch takes roughly 2-3 weeks and ~50,000 tokens of AI-assisted development. Or use one of these indie tools and ship today.
| Tool | Price | Verified | Upvotes | Replaces |
|---|---|---|---|---|
|
SuperTokens
Open-source authentication. Self-hosted auth solution.
|
Free | 1 | Auth0,Firebase Auth | |
|
Logto
Open-source Auth0 alternative with RBAC and multi-tenancy.
|
Free | 1 | Auth0,Okta | |
|
Lucia Auth
Open-source auth library for any JavaScript runtime
|
Free | 1 | Auth0 | |
|
Bitwarden
Open-source password manager for individuals and teams.
|
Free | 0 | 1Password,LastPass,Dashlane | |
|
Vaultwarden
Lightweight Bitwarden-compatible server. Self-host on minimal hardware.
|
Free | 0 | 1Password,LastPass | |
|
Passbolt
Open-source password manager built for teams.
|
Free | 0 | 1Password Teams,LastPass Business | |
|
Zitadel
Open-source identity management and auth.
|
Free | 0 | Auth0,Okta | |
|
Ory
Open-source identity and access management.
|
Free | 0 | Auth0,Okta,Keycloak | |
|
Hanko
Passkey-first authentication. Open source.
|
Free | 0 | Auth0 | |
|
Clerk
Complete user management and authentication for modern apps
|
Free | 0 | Auth0 |
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