Browse free open source Proxy Servers and projects for Windows and Mac below. Use the toggles on the left to filter open source Proxy Servers by OS, license, language, programming language, and project status.

  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
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  • 1
    HTTPManifold takes incoming HTTP connections and forwards them to other servers (reverse proxy). A single IP address can handle multiple domains, and route requests to other networked machines. It allows for monitoring and debugging raw HTTP traffic.
    Downloads: 3 This Week
    Last Update:
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  • 2
    BlockBadWords is a Java proxy server that filters web content based on certain words. It can just block those specific words or the whole page.
    Downloads: 0 This Week
    Last Update:
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  • 3
    Flazr is a Java implementation of protocols such as RTMP used for multimedia streaming. The Flazr project includes a streaming media server and related utilities.
    Downloads: 0 This Week
    Last Update:
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  • 4
    GALProxy is a multithread proxy server written in java. It can elaborate all upcoming requests from most common browsers. It can be used in a LAN in order to concur the sharing of an Internet connection; it implements local caching, content filtering an
    Downloads: 0 This Week
    Last Update:
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  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
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  • 5
    Forwards non-NTLM HTTP client requests to an NTLM proxy server (ie. Microsoft IAS). Can also forward a local port to a remote machine.
    Downloads: 0 This Week
    Last Update:
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  • 6
    JellyFish is a java based program designed to use Squid logs and SNMP to monitor Squid proxy server
    Downloads: 0 This Week
    Last Update:
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  • 7

    NNTP2NNTP Proxy

    NNTP2NNTP is a simple and pretty fast NNTP proxy server

    NNTP2NNTP Proxy allow you to use your NNTP Account from multiple systems, each with own user name and password. It fully supports SSL and you can also limit the access to proxy with SSL certificates. NNTP2NNTP Proxy is very simple and pretty fast. An nntp uploader is also included.
    Downloads: 0 This Week
    Last Update:
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  • 8
    Proxyma is a multiple reverse-proxy library/webapplication with a cache subsystem and url-rewriting capabilities. The new core is based upon a flexible plugins subsystem easy to extend and customize. Recently this project was promoted to release 1.0.
    Downloads: 0 This Week
    Last Update:
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  • 9

    SWeTE Server

    Reverse proxy with website translation

    SWeTE is an HTTP reverse proxy that provides website translation. You can set up proxies for any sites, then connect a translation memory to the site to have it translated into any language. It provides a web-based translation form, and an option to translate strings using Google's translation API.
    Downloads: 0 This Week
    Last Update:
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  • Train ML Models With SQL You Already Know Icon
    Train ML Models With SQL You Already Know

    BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

    Build and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.
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  • 10
    Small Screen Proxy is a HTTP proxy server. It reformats web page for small screen devices e.g. handheld computer, PDA, mobile phone. It provides outline view and partial view of web pages which you want to see. The views are easy to see on small screen.
    Downloads: 0 This Week
    Last Update:
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  • 11
    SmartRouter Project
    SmartRouter Project A GNU/Linux Router, Firewall and Proxy Server
    Downloads: 0 This Week
    Last Update:
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  • 12
    JSpamAssassin is a Java based POP3 Proxy Server that allows scan and mark messages as spam using Apache SpamAssassin.
    Downloads: 0 This Week
    Last Update:
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