Auth0 authentication for Single Page Applications (SPA) with PKCE

An open source lightweight OAuth2 server

A full featured, secure, standards compliant implementation of an OAuth 2.0 authorization server for Nodejs that utilizes JWT and Proof Key for Code Exchange (PKCE), written in TypeScript.

OpenCode plugin for using ChatGPT Plus/Pro in GPT-5 and Codex workflows with OAuth login, multi-account rotation, failover, and guided setup

An OAuth 2.0 client that ONLY supports the Authorization Code flow with PKCE support.

A package that makes using the OAuth2 PKCE flow easier

Helper widget for Auth0 authentication in Electron desktop apps

🐤 Express.js middleware implementation for Twitter OAuth2 Client.

Example of an Angular single-page application demonstrating OAuth2/OpenID Connect authentication using WSO2 Identity Server

Kinde vanilla JavaScript authentication for SPAs using PKCE flows. Can be used with Vue / Angular or any JS framework

OpenAI Codex CLI multi-account OAuth manager with resilient routing, quota-aware rotation, and terminal-first diagnostics.

🐤 Sample code for the Twitter OAuth2.0 Client

A barebones proxy to enable the PKCE flow for OAuth providers that do not support PKCE.

Angular frontend + Express.js BFF + Keycloak IAM implementation

A Next.js proxy to bring PKCE to Notion's OAuth2 service.

Notion OAuth PKCE proxy build with Next.js.

Support for OAuth 2 and OpenId Connect (OIDC) in Angular. Authorization Code Flow with PKCE.

This repository contains sample source code to demonstrate how to implement Authorization Code Flow (PKCE) using Spring Boot, Angular and Keycloak.

Reusable Electron boilerplate for Google OAuth 2.0 using PKCE, React, and secure token storage with Keytar.

A Passport.js strategy for authenticating with Keycloak using the OAuth2/OIDC API (portable version)