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Top 4 Java reverse-proxy Projects
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OpenIG
OpenIG is an open-source identity gateway (reverse-proxy) that secures, routes, and manages web traffic. It enables authentication, access control, and integration with identity providers, delivering single sign-on and API security for web and cloud applications.
Project mention: How to Protect Model Context Protocol (MCP) Servers with OpenAM and OpenIG | dev.to | 2025-12-02In this article, we will deploy a simple MCP server developed based on Spring AI and close it with the OpenIG authorization gateway. The OpenAM authentication service will be responsible for authentication.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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Application-Gateway
OWASP Application Gateway is an HTTP proxy that handles Oauth2 authentication and session management
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Nidam Registration
Nidam is a collection of Spring OAuth 2 microservices and a React SPA that takes care of Registration and Authentication of Users using the Security Standard OAuth 2. So You only focus on Business Logic (by Mehdi-HAFID)
Java reverse-proxy discussion
Java reverse-proxy related posts
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Single Sign-On with OpenAM and OpenIG: Practical Implementation Examples
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AD/AAD Authentication for Apps running in Kubernetes Cluster
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Java-ngrok – A Java wrapper for ngrok
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A Java wrapper for ngrok that manages its own binary, making ngrok available via a convenient Java API
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GitHub - alexdlaird/java-ngrok: A Java wrapper for ngrok
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Ask HN: What are the best the publicly available FAMANG code repos?
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A note from our sponsor - SaaSHub
www.saashub.com | 10 Jun 2026
Index
What are some of the best open-source reverse-proxy projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | OpenIG | 88 |
| 2 | Application-Gateway | 87 |
| 3 | java-ngrok | 57 |
| 4 | Nidam Registration | 0 |