* [auth0-spa-js v2.21.0](https://github.com/auth0/auth0-spa-js) – SDK for Single Page Applications using Authorization Code Grant Flow with PKCE.

* [Alby JS SDK v8.0.0](https://github.com/getAlby/js-sdk) – JavaScript SDK for interacting with Bitcoin Lightning wallets via Nostr Wallet Connect or OAuth wallet APIs.

* [InsForge v2.1.0](https://github.com/InsForge/InsForge) – Agent-native platform enabling AI agents to autonomously build and manage full-stack applications with backend features.

* [Better Auth v1.6.14](https://github.com/better-auth/better-auth) – Framework-agnostic authentication and authorization library for TypeScript with a plugin ecosystem for advanced features.

* [Nango v0.70.6](https://github.com/NangoHQ/nango) – Complete infrastructure for building product integrations: API auth, request proxying, data syncing, webhooks, and observability for 500+ APIs.

* [OAuth 2.0 Authorization Framework v2.0.19](https://github.com/ruby-oauth/oauth2) – RubyGem for implementing OAuth 2.0 clients with support for various authorization flows.

* [FerrisKey v0.6.0](https://github.com/ferriskey/ferriskey) – High-performance IAM solution optimized for cloud-native environments with a Rust API and React-based web interface.

* [Heimdall v0.17.16](https://github.com/dadrus/heimdall) – Cloud-native identity-aware proxy and access-control decision service.

* [tsidp v0.0.14](https://github.com/tailscale/tsidp) – OIDC and OAuth identity provider server that uses Tailscale identities for authenticating compatible applications and MCP connections.

* [auth v2.1.4](https://github.com/go-pkgz/auth) – OAuth2 and direct credential authentication with email and Telegram verification, JWT-in-cookie sessions, avatar support, and middleware.

* [@axa-fr/oidc-client v7.27.8](https://github.com/AxaFrance/oidc-client) – Lightweight and secure library for managing authentication with OpenID Connect and OAuth2 protocols.

* [openvpn-auth-oauth2 v1.27.4](https://github.com/jkroepke/openvpn-auth-oauth2) – OpenVPN management client that enables OIDC-based single sign-on across multiple providers.

* [Gin-OAuth2 v1.5.16](https://github.com/zalando/gin-oauth2) – Middleware for Gin Framework enabling OAuth2 authorization and flexible access control.

* [GoAuth v0.23.30](https://github.com/grokify/goauth) – Go library for OAuth 2.0, JWT, TLS client and Basic authentication with a unified JSON configuration.