Authentication

zitadel/zitadel

Open-source identity and access management platform providing SSO, MFA, passkeys, OIDC, SAML, SCIM, and multi-tenant access control for developers…

lissy93/awesome-privacy

🦄 A curated list of privacy & security-focused software and services

dexidp/dex

OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors

open-policy-agent/opa

Declarative policy engine that enables authorization and policy enforcement across services, Kubernetes, Terraform, Docker, and APIs using the Rego…

ory/hydra

OpenID Certified OAuth 2.0 and OpenID Connect provider for token issuance, client management, JWKS, and login/consent flow orchestration via headless…

vanhauser-thc/thc-hydra

hydra

beemdevelopment/aegis

A free, secure and open source app for Android to manage your 2-step verification tokens.

ory/kratos

API-first identity and user management system for cloud-native applications. Handles login, registration, MFA, recovery, and profile management with…

pyca/cryptography

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.

modelcontextprotocol/inspector

Inspect, debug, and visually test Model Context Protocol (MCP) servers from a web UI, CLI, or TUI, with tool/resource exploration, request logging,…

rustls/rustls

Memory-safe TLS library in Rust implementing TLS 1.2 and 1.3 with pluggable crypto providers, client/server modes, and certificate-based…

keeweb/keeweb

Free cross-platform password manager compatible with KeePass

samyk/poisontap

Exploits locked/password protected computers over USB, drops persistent WebSocket-based backdoor, exposes internal router, and siphons cookies using…

openssh/openssh-portable

Portable OpenSSH

drk1wi/modlishka

Modlishka. Reverse Proxy.

maxgoedjen/secretive

Protect your SSH keys with your Mac's Secure Enclave

markqvist/reticulum

The cryptography-based networking stack for building unstoppable networks with LoRa, Packet Radio, WiFi and everything in between.