Open-source alternatives to Zapret

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.

Unblock-Youku is a geo-blocking circumvention tool and proxy server designed to grant access to region-locked video streaming and web services. It functions as a regional content unblocker that masks a user's location to bypass geographic restrictions. The system operates as an SNI proxy server, forwarding HTTPS traffic based on the Server Name Indication without decrypting the payload. It also serves as a transparent proxy gateway and a DNS-based request router that directs network traffic to specific proxy servers by modifying name resolution records for regional domains. Its capabilities

Glider is a multi-protocol forward proxy, transparent proxy gateway, and network service provider. It functions as a DNS and DHCP server, a Linux IP set manager, and a network traffic load balancer. The project distinguishes itself through a protocol-translation bridge that translates traffic between different proxy schemes and a chain-based routing system that sequences multiple remote proxy servers. It supports transparent traffic interception at the system level and utilizes build-time protocol stripping to minimize the binary size of the executable. The system covers a broad range of net

Clumsy is a Windows network fault injection tool that intercepts system-wide network traffic at the kernel level using the WinDivert driver, without requiring proxy configuration or application code changes. It captures and manipulates packets for all running applications, including localhost connections, enabling controlled testing of application behavior under degraded network conditions. The tool provides comprehensive network impairment capabilities including latency simulation, bandwidth throttling, packet loss, corruption, duplication, and reordering. Users can apply these impairments s

GreenTunnel is a network utility designed to circumvent deep packet inspection and bypass internet censorship. It functions as a tool that modifies outgoing network packets and encrypts DNS lookups to prevent internet service providers and network filtering systems from detecting and blocking specific web destinations. The project implements an HTTP fragmentation proxy and an HTTPS handshake fragmenter. These components split request headers and TLS handshake records across multiple segments to conceal hostnames and destination server names from inspection systems. The software also includes

This project is a Go-based HTTP proxy server designed as a censorship circumvention tool. It functions as an upstream proxy manager and SOCKS5 tunneling gateway that routes network traffic between clients and destination servers to bypass network restrictions. The system differentiates itself through automated proxy routing, which detects unreachable websites and automatically switches traffic between direct access and a pool of parent proxies. It includes a PAC file generator to produce proxy auto-config files for browsers and integrates SSH tunneling to establish secure remote sockets. Bro

This project is a censorship circumvention utility designed to maintain connectivity to restricted online services by evading deep packet inspection. It functions as a network traffic redirection service that manipulates packet headers at the transport layer to bypass regional network filters and censorship systems. The tool distinguishes itself by providing granular control over traffic management, allowing users to define specific lists of domains and IP addresses for targeted interception. By applying custom bypass strategies only to these designated hosts, the utility ensures that the rem

ByeByeDPI is a network utility designed to circumvent regional blocking and censorship by evading deep packet inspection. It functions as a traffic tunnel and local SOCKS5 proxy server that modifies network packets to prevent filters from identifying and blocking specific content. The project employs a user-mode network stack to manipulate traffic at the application level. It achieves bypass capabilities through TCP packet fragmentation and the modification of HTTP request header formatting and case sensitivity. The system includes application-level tunneling control to determine which progr

Lantern is a network utility designed to provide access to restricted internet content by tunneling traffic through encrypted connections. It functions as a censorship circumvention tool that enables private web browsing and ensures reliable connectivity in environments where standard network access is blocked or monitored. The application employs a decentralized infrastructure that routes data through a network of distributed proxy nodes. To maintain connectivity in the face of interference, it utilizes dynamic proxy discovery and adaptive fallback mechanisms that automatically switch betwee

ByeDPIAndroid is a deep packet inspection bypass tool for Android that functions as a local SOCKS5 proxy. It modifies TCP packets to evade network censorship and bypass regional internet restrictions on mobile devices. The project operates as a network traffic obfuscator and TCP packet fragmenter. It splits network data into smaller pieces and hides the nature of internet requests to prevent automated blocking and traffic shaping by internet service providers. The system covers a range of capabilities including host-based traffic interception and dynamic packet modification. It utilizes non-

This project is a proxy server designed to intercept and modify HTTP and HTTPS traffic for Netease Cloud Music. It functions as network middleware to restore playback for songs and albums restricted by geographic regions and to unlock premium account features, such as high-fidelity audio. The server utilizes header-based privilege injection to spoof premium status and employs conditional content redirection to route requests for unavailable media to alternative source providers. It also incorporates upstream proxy routing and IP parameters to bypass regional access restrictions. Additional c

This project is a multi-protocol API simulation and mocking system designed to replace external dependencies during development and testing. It provides an API mocking server, a network traffic proxy, and specialized simulators for language model services and identity providers. The system distinguishes itself through deep AI simulation capabilities, including the emulation of language model providers and Model Context Protocol servers using JSON-RPC 2.0. It supports multi-turn conversational logic, state tracking for AI chat APIs, and the visualization of agent execution through call graphs

Trojan-go is a network proxy implementation that uses the Trojan protocol to disguise internet traffic as standard TLS to bypass censorship and deep packet inspection. It functions as a tunneling gateway that encapsulates network data within encrypted tunnels to mimic ordinary web browsing. The project distinguishes itself through advanced obfuscation techniques, including TLS fingerprint mimicry to avoid detection by client signature identification and the use of WebSockets to relay encrypted traffic through content delivery networks. It also supports UDP forwarding through the Trojan protoc

This project is a technical resource and guide for bypassing internet censorship and network restrictions. It provides instructional documentation for configuring proxies and tunnels to circumvent IP blocking and access restricted websites and services. The guides cover the deployment of Shadowsocks, L2TP/IPSec, and SSH tunnels on virtual private servers. It focuses on masking server IP addresses by routing traffic through content delivery networks and using WebSockets to maintain connectivity. Additional technical coverage includes the implementation of SOCKS5 and HTTP proxies, the configur

SpoofDPI is a network application and local proxy server designed as an anti-censorship tool. It functions as a deep packet inspection circumvention proxy that fragments and modifies outbound HTTP requests to evade network filters and censorship. The project achieves this by implementing HTTP request fragmentation, splitting single requests into multiple smaller packets to confuse firewalls. It also performs TCP stream manipulation and network traffic obfuscation to hide the nature of web requests and bypass regional content blocks. The system includes capabilities for transparent network fo

A Rust port of shadowsocks

This project is a comprehensive command-line reference and toolkit designed for Linux system administration and network security assessment. It provides a collection of technical snippets and operational guides focused on managing remote environments, orchestrating shell sessions, and executing administrative tasks through native terminal utilities. The repository distinguishes itself by offering specialized techniques for stealthy operations and infrastructure manipulation. It covers methods for establishing encrypted tunnels to bypass firewalls, obfuscating process identities and command hi

Ethical-Hacking-Labs is a comprehensive cybersecurity training curriculum and lab suite designed for learning penetration testing, network analysis, and offensive security techniques. It provides a structured environment for practicing the full attack lifecycle, from initial reconnaissance and scanning to exploitation and post-compromise analysis. The project provides instructional materials and guided exercises that cover specific technical domains, including open source intelligence research and network security courseware. It includes a practical workbook for identifying system vulnerabili

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 service mesh platform designed to manage, secure, and observe service-to-service communication within Kubernetes clusters. It functions as a control plane that orchestrates transparent sidecar proxies, which intercept and manage network traffic to provide reliable connectivity for microservices. By automating the injection of these proxies, the platform ensures that infrastructure-level policies are applied consistently across all workloads without requiring manual configuration changes. The platform distinguishes itself through its focus on zero-trust security and cross-clu

Streisand is an orchestration system for deploying multi-protocol tunneling services and traffic obfuscation tools designed to circumvent regional network restrictions. It functions as a deployment utility and manager for various VPN and proxy services on remote cloud servers. The system distinguishes itself through a network obfuscation toolkit that wraps traffic in layers to evade deep packet inspection and bandwidth throttling. It automates the setup of multiple protocols, including WireGuard, OpenVPN, Shadowsocks, OpenConnect, OpenSSH, and Tor bridges. The project also includes utilities

Cloak is a set of censorship circumvention tools designed for secure proxy tunneling and internet traffic obfuscation. It focuses on bypassing restrictive firewalls and state surveillance by disguising proxy connections as standard web browsing. The project utilizes HTTP fingerprint masquerading to imitate common browser signatures and routes traffic through content delivery networks to mask the identity of the origin server. To further hide the server's purpose, it includes a mechanism to redirect unauthenticated connection requests to a third-party website. The system implements transport

Shadowsocks-android is a secure tunneling application and SOCKS5 proxy client for Android. It routes device network traffic through a Shadowsocks proxy server to encrypt data, mask the user's internet origin, and bypass network restrictions. The client functions as an Android VPN service, creating a virtual network interface to intercept and redirect all outgoing device traffic. It supports the integration of external binary plugins to extend tunnel capabilities with custom transport protocols and traffic obfuscation methods. The project manages network routing through a local SOCKS5 server

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

Gost is a Go-based network tunnel and multi-protocol proxy server. It functions as a gateway for routing TCP and UDP traffic, creating secure network tunnels between remote endpoints, and acting as a DNS proxy server to resolve domain name queries. The project is distinguished by its ability to implement multi-hop proxy chaining, which links multiple network nodes in a sequence to route traffic through specific paths. It also provides transparent proxying by integrating with virtual network interfaces to intercept system-level traffic without requiring manual client configuration. The system

Linkerd is a Kubernetes service mesh that manages network traffic between microservices. It functions as a transparent networking proxy, layer 7 traffic manager, and mutual TLS security layer, providing observability and reliability for service-to-service communication without requiring changes to application code. The project distinguishes itself through a sidecar-proxy architecture that intercepts TCP and application-level traffic to provide automatic mutual TLS encryption and identity verification. It enables cross-cluster service networking to link multiple clusters and implements cloud-n

Bettercap is an extensible framework for network security testing that provides a unified interface for performing man-in-the-middle attacks, network reconnaissance, and traffic manipulation across WiFi, Bluetooth, and wired networks. It operates through a modular attack module system that loads and executes interchangeable offensive or diagnostic modules, supported by event-driven session management and multi-protocol network spoofing capabilities. The framework distinguishes itself by covering a broad range of network domains, including Bluetooth Low Energy scanning and enumeration, CAN-Bus