Open-source proxies and intercepting tools for analyzing, modifying, and debugging HTTP and HTTPS web traffic.
Hiddify is a cross-platform proxy client designed to manage secure network connections and traffic routing across desktop and mobile operating systems. It functions as a unified proxy manager, providing a centralized interface to configure and control various network proxy protocols for encrypted and private internet access. The application distinguishes itself by integrating local loopback interception, which configures the operating system network stack to route traffic through a local port for granular filtering. It also serves as a self-hosted infrastructure tool, enabling users to automate the deployment of private proxy servers on remote infrastructure through simplified command-line initialization. The system maintains consistency across environments by synchronizing remote server states through declarative configuration files and utilizing an event-driven daemon to monitor proxy health and network state changes. It employs a shared bridge layer to interact with native system APIs and firewall rules, while bundling all necessary dependencies into a singular, self-contained executable package.
gost is a multi-protocol proxy tunnel and secure tunneling server designed to route network traffic through encrypted connections. It functions as a traffic obfuscation gateway and a transparent proxy server capable of intercepting TCP and UDP traffic at the IP level. The project also includes a virtual network interface manager for creating TUN and TAP devices to intercept operating system packets. The system distinguishes itself through a chain-based request routing model, allowing traffic to pass through an ordered sequence of proxy nodes. It provides extensive transport-layer encapsulation to mask traffic patterns and bypass firewalls using WebSocket, QUIC, HTTP/2, KCP, and VSOCK. Traffic security is managed via cipher-based encryption and TLS transport wrapping, with support for self-signed certificate generation and server pinning. Broad capabilities cover wide-ranging network infrastructure needs, including local and remote port forwarding, DNS query proxying, and SNI-based traffic routing. It implements various proxy server types for HTTP, SOCKS5, and Shadowsocks, while offering access control through IP filtering and user authentication. Operational features include dynamic configuration reloading and network statistics logging via Unix system signals.
Mitmproxy is an interactive, programmable network proxy engine designed for traffic analysis and protocol manipulation. It functions as a gateway that intercepts, inspects, and modifies network traffic in real-time, supporting HTTP, HTTPS, WebSocket, DNS, and generic TCP or UDP streams. By acting as a trusted certificate authority, the proxy can dynamically generate and sign certificates to decrypt and analyze secure TLS-encrypted connections. The project distinguishes itself through a highly extensible, event-driven architecture that allows users to automate traffic transformation using custom scripts. It provides a unified command-based interface for manual interaction, enabling users to define custom key bindings, content views, and command-line tools. The engine supports multiple operational modes, including explicit, transparent, reverse, and SOCKS proxying, as well as a userspace WireGuard VPN mode for capturing traffic without requiring client-side configuration changes. Beyond basic interception, the platform includes comprehensive tools for recording and replaying network conversations to simulate complex interactions or automate repetitive tasks. It offers advanced capabilities such as request blocking, header and body modification, and local resource mapping. The system also provides robust support for debugging and performance analysis, including integration with external tools through secret logging and structured data representation. The software is designed for rapid iteration, featuring live script reloading that updates custom logic without restarting the proxy process. It includes extensive documentation for managing certificates, configuring proxy modes, and implementing custom addons through a well-defined programmatic interface.
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-cluster connectivity. It enforces mutual TLS for all inter-service communication by automatically issuing and rotating short-lived cryptographic certificates, ensuring that traffic is encrypted and identities are verified. Furthermore, it provides robust multicluster capabilities, enabling unified service discovery, traffic routing, and load balancing across distinct network environments, effectively bridging distributed workloads into a single logical communication fabric. Beyond its core security and connectivity features, the project offers a comprehensive suite for traffic management and observability. It supports advanced routing strategies, including header-based and protocol-aware traffic shifting, alongside resilience patterns like circuit breaking, retries, and fault injection to maintain system stability. The observability framework collects real-time telemetry, request metrics, and distributed traces, providing deep visibility into service health, performance, and dependencies through integrated dashboards and diagnostic tools. The project is managed via a command-line interface that supports automated installation, upgrades, and cluster diagnostics to ensure operational readiness. It allows for extensive customization of proxy behavior and resource allocation through standard Kubernetes manifests and annotations, facilitating integration into diverse infrastructure environments.
Shadowsocks-Windows is a desktop proxy manager that provides a graphical interface for configuring system-wide network routing. It functions as a local SOCKS5 or HTTP proxy server, intercepting outbound traffic through system-level injection to route requests through secure, encrypted remote tunnels. The application distinguishes itself through a modular architecture that supports plugin-based transport extensibility, allowing users to integrate external binaries for custom traffic obfuscation and specialized cryptographic protocols. It also enables high-availability networking by automatically rotating between multiple proxy servers based on real-time performance metrics, and supports multi-instance orchestration to manage independent proxy states and configurations simultaneously. Users can exercise granular control over network traffic through custom rule management, including the use of JavaScript-based auto-configuration files and geographic filtering to determine which requests bypass or traverse the proxy. The software further extends its utility by encapsulating connectionless datagrams into stream-oriented tunnels, ensuring that applications requiring UDP can function within the proxy environment.
FreeRDP is a full software implementation of the Remote Desktop Protocol, providing both client and server capabilities for remote session management. It functions as an RDP client library and a standalone remote desktop client, enabling remote connectivity and interoperability across different operating systems. The project includes a dedicated network device redirector and an RDP gateway client to handle authentication and proxy routing. It allows developers to integrate remote desktop functionality into third-party software applications via its client library. The software covers a wide range of capabilities, including remote display rendering with video decoding and image scaling, as well as peripheral redirection for USB devices, printers, smart cards, and local drives. It manages network traffic through proxy server interception and supports identity verification using Kerberos and NTLM credential hashing. Additionally, it provides input handling for multi-touch gestures and manages the synchronization of system clipboards between local and remote systems.
GoodbyeDPI is a censorship circumvention utility designed to bypass deep packet inspection and restrictive network filtering. It functions as a background engine that intercepts and modifies network traffic at the kernel level, allowing users to maintain connectivity in environments where specific protocols or web content are blocked. The tool employs active manipulation techniques to confuse inspection hardware, including TCP stream fragmentation, HTTP header obfuscation, and the injection of out-of-order packets. By altering packet structures and dropping specific redirection patterns, it masks browsing activity and prevents automated systems from identifying or blocking outgoing requests. The application operates as a persistent system service, ensuring that traffic filtering remains active across reboots. Users manage these operations through a command-line interface, which provides granular control over packet modification strategies, DNS redirection, and various bypass parameters.
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 between server endpoints and protocols when primary paths are disrupted. To evade detection by deep packet inspection and restrictive firewalls, the software wraps network requests in common web protocols and utilizes domain fronting to disguise traffic destinations. By intercepting local network requests and selectively routing them through these obfuscated tunnels, the client provides a resilient method for bypassing regional censorship and maintaining secure access to online services.
Shadowsocks is a secure network tunneling tool designed for censorship circumvention and private internet connectivity. It functions as a proxy system that routes traffic through encrypted tunnels, allowing users to bypass regional network restrictions and protect data from interception across public infrastructures. The project utilizes a lightweight, custom proxy protocol that incorporates stream-based cipher encryption to obfuscate payload content and prevent deep packet inspection. By employing an asynchronous, event-driven networking model, the system manages concurrent connections efficiently. It establishes secure communication through a structured client-server handshake and authentication process, ensuring that all data transmission adheres to defined encryption requirements. The framework provides a modular approach to building and deploying custom proxy infrastructure, featuring a cross-platform socket abstraction layer that ensures consistent traffic routing across different operating systems. This implementation allows for the configuration of specialized connection handlers to manage data flow between local clients and remote server endpoints.
This project is a Python web scraping tutorial and framework designed for building automated data extraction tools and web crawlers. It provides a structured approach to navigating websites and persisting scraped data to databases. The project includes a toolset for web API analysis, focusing on reverse engineering obfuscated API requests and inspecting network traffic to extract structured data. It also covers optical character recognition workflows to convert visual text within images into machine-readable strings. The framework covers capabilities for headless browser automation to handle JavaScript and dynamic elements, as well as methods for automating browser interactions and developing scalable web crawlers.
uBlock is a browser-based content blocker that functions as a declarative filtering engine to intercept network requests and modify web page content. It operates by parsing standardized filter lists into optimized data structures, allowing it to block network hosts, enforce security policies, and prevent unauthorized data transmission. The extension provides a comprehensive security layer that monitors outgoing traffic and disables intrusive browser features to enhance user privacy. What distinguishes this project is its granular control over filtering behavior through a dynamic rule orchestrator. Users can manage custom rules, apply site-specific overrides, and toggle filtering settings on a per-domain basis. The engine also employs advanced techniques such as CNAME uncloaking, IP address filtering, and response body modification to identify and neutralize trackers that attempt to bypass standard blocking methods. Furthermore, it supports enterprise-grade deployment, enabling organizations to enforce consistent security and filtering configurations across managed environments. The project covers a broad capability surface including cosmetic page modification, which uses CSS injection and sandboxed scriptlets to remove visual clutter and neutralize anti-blocking scripts. It also provides interactive tools for real-time network traffic inspection and manual element removal, ensuring users can debug and customize their browsing experience. The extension is designed to maintain high performance by synchronizing its initialization at startup, ensuring that all security rules are active before any network requests are processed.
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 optimal path for data packets. This approach enables the circumvention of regional or institutional network restrictions while maintaining consistent connection stability. The application includes a comprehensive suite of tools for managing tunnel connections, listening ports, and remote server configurations. Users can adjust system settings, update schedules, and security credentials through a dashboard that supports dynamic configuration changes without requiring a full application restart.
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 integration through a standardized protocol, enabling the translation of natural language prompts into executable device actions. The system covers a broad range of capabilities, including network traffic analysis via man-in-the-middle proxies, remote administration with real-time screen streaming and touch simulation, and a comprehensive security analysis toolset for binary patching and disassembly. It also provides an emulated Debian runtime environment for native code compilation and a variety of UI automation primitives such as optical character recognition and image-based element location. The framework supports remote connectivity through VPNs, port forwarding, and a WebSocket-based control interface.
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 consistent traffic management across diverse environments. It also supports automated synchronization, allowing proxy clients to fetch updated routing logic from external sources without manual intervention. The platform covers a broad range of traffic management capabilities, including regional content access, local network optimization, and malicious traffic filtering. These features allow for the systematic blocking of advertising and tracking domains while ensuring that private, local, and internal network resources bypass proxy tunnels to maintain direct connectivity.
Headroom is an AI gateway proxy and token optimizer designed to reduce the cost and latency of large language model interactions. It functions as an intermediary that intercepts traffic between clients and providers to apply context compression, request routing, and format translation. The system differentiates itself through a Model Context Protocol server implementation that delivers compression and retrieval tools to compatible AI hosts. It employs a content-aware compression pipeline and tiered importance scoring to trim redundant data from logs and tool outputs while preserving essential information via a reversible local cache. The project covers a broad capability surface including synchronized agent memory systems, semantic vector storage for context management, and AST-based code indexing. It also provides observability tools for tracking token savings, simulating compression effects, and monitoring pipeline performance. The software is implemented in Python and supports standalone proxy deployment.
v2rayN is a cross-platform graphical management suite designed to centralize the configuration and execution of multiple network proxy protocols. It functions as a unified control plane that abstracts heterogeneous proxy backends, allowing users to manage diverse network routing engines through a single interface. The platform distinguishes itself by providing a consistent management experience across Windows, Linux, and macOS, while orchestrating the lifecycle of independent proxy processes as child services. It supports specific configuration ecosystems, enabling users to organize and switch between different proxy standards while maintaining structured routing rules. Beyond basic connectivity, the software includes tools for defining complex routing logic and granular traffic steering. By utilizing local geographic database assets, it enables precise filtering and regional access control based on destination metadata. The system also coordinates auxiliary utilities and manages the translation of user-defined rules into the specific schema requirements of various underlying proxy engines.
This project is a network traffic manipulation tool and proxy designed to intercept, inspect, and modify data streams between mobile applications and their servers. It functions as a scriptable content blocker and traffic router, allowing users to apply custom rules to incoming and outgoing network requests. The tool enables users to bypass regional restrictions and subscription paywalls by injecting configuration rules that override server-side validation. It also provides capabilities for removing advertisements, tracking scripts, and promotional content from mobile applications and web services in real time. Beyond traffic management, the framework supports automated task execution and web content customization. Users can schedule recurring scripts for routine maintenance or information retrieval and inject custom code or styles into web sessions to alter page layouts and remove visual clutter.
V2ray-core is a modular network proxy engine designed to manage inbound and outbound traffic through a unified, rule-based processing pipeline. It functions as a background service that operates multiple concurrent network protocols within a single process, allowing for flexible traffic management and the independent handling of diverse communication streams. The project distinguishes itself through a highly decoupled architecture that treats network protocols as swappable modules, enabling the encapsulation of various transport layers into a consistent stream-based model. It features a centralized configuration system that parses structured data to define complex routing, DNS, and transport rules at runtime. To enhance connectivity and security, the engine includes a load-balanced outbound dispatcher that distributes requests across multiple connections using weighted algorithms, alongside a traffic obfuscation layer that masks packet signatures to mimic standard web activity. The software supports sophisticated network traffic routing, allowing users to direct packets based on domain names, IP addresses, or geographic regions. It provides comprehensive tools for both client and server deployments, enabling the establishment of secure communication endpoints across diverse network infrastructures. The project provides source code for manual compilation and scripts for building distribution packages across various operating systems and hardware architectures. Operational parameters, including logging and service settings, are managed through structured configuration files provided at runtime.
The AWS Cloud Development Kit is an infrastructure-as-code framework that enables developers to define and provision cloud resources using familiar programming languages. By utilizing construct-based synthesis, it translates high-level, object-oriented code into declarative templates, allowing for the automated management of complex cloud environments through a centralized, code-driven control plane. The framework distinguishes itself through its ability to model infrastructure as a dependency-aware resource graph, ensuring that components are provisioned and updated in the correct order. It employs a language-agnostic intermediate representation to synthesize these definitions into platform-specific configurations, while supporting aspect-oriented policy injection to apply security and compliance rules across infrastructure definitions during the synthesis phase. Beyond core provisioning, the project provides a modular component registry for distributing and reusing pre-configured infrastructure building blocks. It supports multi-account orchestration, allowing for the deployment of consistent resource sets across different regions and accounts from a single template, and includes capabilities for detecting infrastructure drift to ensure deployed environments remain aligned with their defined state. The project is distributed as a software development kit, providing programmatic interfaces to manage the full lifecycle of cloud resources and integrate infrastructure definitions directly into application codebases.
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-blocking asynchronous I/O processing to handle concurrent network connections.