Authentication

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

BoxyHQ Enterprise SSO

Open-source API for enterprise SSO and Directory Sync

Authentication
samlssoscim
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briansmith/ring

Safe, fast, small crypto using Rust and BoringSSL's cryptography primitives

Developer Tools
rustcryptotls
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CASL

Isomorphic authorization for UI and API

Authentication
npmauthorizationpermissions
Visit → 6862★
DaGenix/rust-crypto

cryptographic algorithms

Authentication
rustcryptoaes
Visit → 1450★
crypto-hash

Async non-blocking hashing

Authentication
npmcryptohash
Visit → 645★
luks.go

Pure Golang library to manage LUKS partitions

Security Tools
goluksencryption
Visit → 95★
SafeDep/vet

Protect against malicious open source packages

Security Tools
gosecuritydependencies
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kpcyrd/sn0int

A semi-automatic OSINT framework and package manager

Security Tools
osintsecurityrust
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acra

Network encryption proxy to protect database-based applications from data leaks: strong selective encryption, SQL injections prevention, intrusion detection system

Authentication
goencryptiondatabase
Visit → 1460★
encid

Encode and decode encrypted integer IDs

Authentication
goidencoding
Visit → 6★
secret

Prevent your secrets from leaking into logs, std\* etc

Developer Tools
gosecretsvault
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simple-scrypt

Scrypt package with a simple, obvious API and automatic cost calibration built-in

Developer Tools
goscryptpassword
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Compare tools: Lucia Auth vs keyper · keyper vs SSOReady · SSOReady vs Arctic