* [Casdoor v3.76.0](https://github.com/casdoor/casdoor) – UI-first Identity and Access Management platform supporting various authentication protocols.

* [The Official Docusign eSignature Node Client SDK v9.0.0](https://github.com/docusign/docusign-esign-node-client) – SDK for integrating eSignature API to request signatures, automate forms, and track documents in Node.js applications.

* [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.

* [Doorkeeper::OpenidConnect v1.10.0](https://github.com/doorkeeper-gem/doorkeeper-openid_connect) – OpenID Connect provider for Rails, adding authentication and identity features on top of an OAuth 2.0 framework.

* [Tailscale v1.98.5](https://github.com/tailscale/tailscale) – Private WireGuard networks made easy.

* [Doorkeeper v5.9.1](https://github.com/doorkeeper-gem/doorkeeper) – OAuth 2 provider for Ruby on Rails and Grape applications.

* [BigCommerce API Ruby v2.0.0](https://github.com/bigcommerce/bigcommerce-api-ruby) – Ruby client for the Stores API, supporting OAuth and legacy authentication with request helpers.

* [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.

* [Ruby OAuth 1.0 / 1.0a v1.1.5](https://github.com/ruby-oauth/oauth) – RubyGem for implementing OAuth 1.0 and 1.0a clients and servers in Ruby applications.

* [Limen v0.1.1](https://github.com/thecodearcher/limen) – Modern plugin-first composable authentication library for Go with modular plugins, adapters, session and security primitives.