Open-source alternatives to Surfboard

Throne is a cross-platform proxy client that provides a unified graphical interface for managing and routing network traffic through secure proxy protocols. It combines subscription-based node management, multi-protocol routing, TUN-based global traffic interception, and DNS leak prevention into a single application that runs on Windows, Linux, and macOS. The application supports a wide range of proxy protocols including SOCKS, HTTP, Shadowsocks, Trojan, and VMess, and can route traffic through chains of multiple proxy servers for layered routing. It creates a virtual network interface to int

tun2socks is a connectivity utility that functions as a transparent proxy client and Layer 3 network gateway. It routes system network traffic through a SOCKS5 proxy using a virtual tunnel interface and provides the ability to tunnel IPv4 traffic over IPv6 or vice versa. The project implements a userspace TCP/IP stack to intercept raw IP packets and translate them for transmission to remote proxy servers. It supports multiple proxy protocols, including HTTP, SOCKS4, SOCKS5, and Shadowsocks, allowing application traffic to be redirected without per-app configuration. The software includes cap

Amnezia Client is a cross-platform VPN client application and server orchestrator designed to manage secure tunnels and automate the deployment of containerized VPN services on remote self-hosted servers. It functions as a multi-protocol VPN manager that supports various tunneling standards to ensure connectivity across restrictive network environments. The project distinguishes itself through network traffic obfuscation, which disguises VPN traffic as common web protocols or DNS requests to bypass deep packet inspection and censorship. It further enables the automation of remote server admin

Karing is a multi-protocol proxy client and network traffic router designed to manage and direct internet traffic through various proxy protocols. It functions as a proxy subscription manager that imports and converts server lists from multiple external formats and providers into a unified configuration. The project features a cross-device synchronization system that keeps network routing settings and server lists consistent across multiple devices via cloud or local sharing. It includes a latency-based server selector that measures real-time response times to automatically connect to the fas

Qv2ray is a multi-protocol proxy client and a graphical user interface for managing V2Ray network proxy connections. Built as a cross-platform desktop application, it provides a consistent visual experience for configuring traffic routing across Linux, Windows, and macOS. The application utilizes a plugin-based architecture that allows for the integration of third-party extensions to add support for additional network proxy protocols. This modular system enables the software to be extended without modifying the core binary. The tool covers multi-protocol proxy routing for tunneling protocols

wireguard-go is a Go implementation of the WireGuard protocol that operates as a userspace tunneling engine. It functions as a cross-platform network interface designed to establish encrypted tunnels between peers without requiring modifications to the system kernel. By implementing the protocol in userspace, this project provides a consistent network stack that enables secure peer-to-peer communication across different operating systems. It allows for the creation and management of encrypted network interfaces and tunnels to route private traffic over public networks.

Fancyss is a network utility designed to function as a Shadowsocks proxy gateway. It operates as a transparent proxy manager that intercepts and routes network traffic at the gateway level, allowing for centralized management of internet access across all connected devices without requiring individual client-side configurations. The system employs policy-based routing and rule-based traffic filtering to direct data through specific network paths. It maintains multiple server connections simultaneously, utilizing failover-aware connection pooling to automatically switch traffic to healthy node

ShadowsocksX-NG is a macOS application that functions as a Shadowsocks proxy client to establish encrypted tunnels for bypassing network censorship. It operates as an encrypted tunnel manager that allows for the configuration of secure ciphers and the import of proxy server profiles. The client includes a proxy converter that transforms SOCKS5 traffic into HTTP proxy traffic to provide compatibility for applications that do not support SOCKS. It also integrates a traffic steering system using Proxy Auto-Configuration files to automatically determine which network requests bypass the proxy. T

This project is a configuration guide and manual for bypassing internet censorship. It provides instructions for installing and configuring proxy software to route network traffic through secure nodes to access restricted web content. The guide focuses on proxy server configuration, including tutorials for importing remote server settings via formatted URLs and managing node-based connections. It covers the setup of secure network tunnels and the activation of proxy servers to bypass local network filters. The material covers network traffic routing, including the use of global and automatic

This project provides predefined configuration profiles and rule sets for ad filtering, geographic traffic steering, and proxy routing. It specifically offers curated rule sets and configuration lists for Shadowrocket to filter advertising domains and manage network traffic on iOS devices. The project specializes in converting industry-standard ad-blocking filter lists into a proprietary rule format compatible with proxy client configurations. These rule sets facilitate the separation of domestic and foreign network requests to optimize connection paths and bypass regional restrictions. The

ACL4SSR is a rule set generation and conversion system that produces ready-to-use proxy configuration files for multiple client formats, including Clash, Quantumult, Surge, Surfboard, and Trojan. It combines modular rule fragments from a curated library, applies user-defined overrides, and filters traffic by domain category or geo-IP to produce optimized routing configurations. The project distinguishes itself through its format-agnostic conversion pipeline, which transforms proxy rule sets between different client formats using external open-source converters as a middleware layer. It provid

Subconverter is a network utility designed to translate, merge, and filter proxy subscription configurations. It functions as a service that converts proxy links between various client-specific formats, ensuring compatibility across different applications and platforms. By providing a unified interface for managing diverse connection sources, the tool enables consistent network policy application and streamlined configuration management. The project distinguishes itself through an HTTP-based transformation interface that processes subscription data dynamically. It utilizes an in-memory pipeli

XX-Net is a cross-platform desktop application that functions as a local proxy server and network traffic router. It intercepts outgoing network requests from a local machine and redirects them through encrypted tunnels to a distributed mesh of cloud-based nodes, facilitating secure and reliable access to external resources. The software distinguishes itself by providing a centralized management interface for coordinating complex proxy infrastructure. It employs rule-based traffic routing, allowing users to define custom logic based on destination addresses and protocols to determine the opti

This project provides a collection of structured, binary-encoded routing datasets designed for proxy software to automate network traffic management. By mapping domain names and IP addresses to specific functional categories, it enables proxy clients to make granular, policy-based connection decisions. The repository serves as a centralized source for routing metadata, ensuring that traffic steering logic remains consistent across various networking implementations. The project distinguishes itself through an automated aggregation pipeline that processes community-maintained datasets into a u

NekoBoxForAndroid is a network utility for Android that functions as a system-wide VPN tunneling client. It leverages the Sing-Box engine to capture and redirect device traffic through a virtual network interface, providing a centralized platform for managing proxy connections and network routing. The application distinguishes itself through its advanced configuration management, allowing users to define granular traffic rules based on domains, IP addresses, or specific applications. It supports complex network requirements by enabling multi-hop proxy chaining, custom DNS resolution strategie

V2rayU is a native macOS network proxy tool and multi-protocol proxy manager. It functions as a V2Ray proxy client that enables users to route network traffic through secure tunnels to bypass network restrictions on Mac. The application features a TUN mode VPN client that uses a virtual network adapter to forward all system traffic through a secure tunnel. It supports configuring and switching between V2Ray, Shadowsocks, and Socks5 proxy servers via manual entry or external subscriptions. The tool provides capabilities for network traffic routing, proxy load balancing, and server configurati

This project is an Android RPA framework designed for automating user interfaces and system tasks on rooted Android devices using Python and ADB. It provides a suite of tools for rooted device management, allowing for programmatic control of system settings, application lifecycles, and shell command execution via a remote API. The framework distinguishes itself through a combination of dynamic instrumentation and AI integration. It can inject scripts into running processes to hook Java interfaces and modifies application behavior in real time. Additionally, it supports large language model in

Open vSwitch is a software-defined network switch and high-performance data plane engine. It functions as a virtual layer 2 switch and network orchestrator, implementing the OpenFlow protocol to decouple the control plane from the data plane for programmable network forwarding. The project distinguishes itself through a userspace-kernel datapath split and the use of poll-mode drivers for kernel-bypass acceleration. It provides a network tunneling gateway to extend virtual networks across physical hosts and utilizes a transactional, schema-based configuration database with state replication fo

dae is a high-performance Linux network tool that functions as an eBPF transparent proxy. It intercepts and redirects packets at the kernel level to route internet traffic based on domains, IP addresses, and process names. The project distinguishes itself by modifying TLS handshakes to simulate browser signatures, which prevents server-side detection of proxy traffic. It also implements a full-cone network address translation gateway to maintain stable bidirectional connections and utilizes a latency-based node selector to automatically route traffic through the fastest available proxy nodes.

Sing-box is a universal proxy platform and multi-protocol proxy core designed for routing traffic to bypass network restrictions. It functions as a network traffic controller and VPN tunneling orchestrator that implements diverse tunneling methods for secure and flexible data routing. The system utilizes a configuration-driven pipeline to define network flow and service behavior through declarative structures. It features a modular transport layer and protocol-agnostic tunneling to encapsulate network protocols, alongside rule-based packet routing and state-based connection tracking to manage

Zapret is a deep packet inspection bypass tool and packet manipulation framework designed to circumvent network censorship. It operates as a transparent network proxy and TCP traffic obfuscator that modifies packets to deceive network inspection systems. The project distinguishes itself through advanced desynchronization strategies, including the modification of TLS client hello handshakes and the use of fake packet injection. It utilizes a combination of TCP stream segmentation, sequence overlapping, and TTL adjustment to hide prohibited requests from firewalls while ensuring the destination

Clash-rules provides a standardized, declarative system for managing network traffic routing across desktop and mobile proxy clients. It functions as a centralized configuration provider that uses structured rule sets to categorize outgoing requests, allowing users to define whether specific connections should be proxied, rejected, or routed directly. The project distinguishes itself through its comprehensive, curated rulesets that enable granular control over network behavior. By employing domain-pattern matching, CIDR-based network analysis, and application-specific signatures, it ensures c

Clash Meta for Android is a system-level network utility that functions as a rule-based proxy engine for mobile devices. It operates by intercepting system-wide network traffic through a virtual interface, allowing it to route data packets through configurable tunnels based on domain, IP, and geo-location patterns. By acting as a transparent proxy, the application manages connectivity and enhances privacy for all installed software on the device. The project distinguishes itself by utilizing a high-performance, cross-compiled proxy kernel that handles concurrent connections and protocol trans

This project is a comprehensive computer networking textbook and instructional resource. It serves as a technical guide for the design and implementation of network layers, protocols, and hardware architecture, covering the spectrum from physical links to application-layer protocols. The content provides a detailed study of standards for congestion control, reliable data delivery, and internetwork routing. It includes specialized technical material on network security, public-key infrastructure, and the operation of modern cloud infrastructure and data centers. The material covers a broad ra

VPNOn is a deep link VPN client and connection manager that enables the establishment of secure network tunnels and the opening of specific web addresses via custom URL schemes. It functions as a configuration importer and a system tray utility for managing secure connections. The project differentiates itself through automated configuration setup, using custom URL schemes to import server credentials and serialized network settings from external sources. It further automates connectivity by triggering a sequence that establishes a network tunnel before launching a browser to a target address

Shadowsocks-qt5 is a cross-platform graphical interface for configuring and managing Shadowsocks proxy connections. It functions as a SOCKS5 proxy manager used to route network traffic through remote encrypted proxy servers. The project includes a proxy latency tester to measure round-trip times to remote servers and a network traffic monitor that tracks the volume of data sent and received through active connections. The software provides mechanisms for proxy profile management, allowing users to store and switch between different server configurations. It also includes a proxy connection i

Clash Nyanpasu is a network proxy client and graphical user interface for managing Clash network cores. It functions as a proxy manager and traffic monitoring dashboard, allowing users to route system traffic and handle proxying through a visual interface. The project distinguishes itself by providing a TUN mode proxy manager for controlling system-wide network tunneling. It features a core-agnostic API layer that standardizes communication between the interface and various interchangeable network core implementations. The application covers proxy configuration management, including profile