Awesome GitHub RepositoriesNetwork Interception Tools

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 orchestr

Pingora is a Rust-based framework for building high-performance network services, including HTTP reverse proxies, layer seven load balancers, and TLS termination proxies. It serves as an asynchronous network library designed to intercept and route HTTP, gRPC, and WebSocket traffic between clients and upstream backend servers. The project enables zero-downtime service updates by handing over listening sockets between processes during binary or configuration upgrades. It utilizes a programmable multi-phase pipeline to modify request and response bodies and headers, and it provides a pluggable T

Vitest is a high-performance testing framework designed for JavaScript and TypeScript applications. It provides an integrated environment that supports unit, integration, and browser-based testing, allowing developers to execute test suites natively without requiring separate build steps or complex configuration. The project distinguishes itself through a highly optimized execution model that leverages worker-thread isolation and on-demand module transformation to provide rapid feedback. It includes a comprehensive suite of mocking and spying utilities that allow for the interception of depen

FLEX is a diagnostic framework designed for the inspection and modification of mobile applications during active execution. It provides a suite of tools that allow developers to explore the internal state of a running process, including its memory, class definitions, and object properties, without requiring a recompilation of the source code. The tool distinguishes itself by enabling real-time interaction with the application environment. It facilitates dynamic user interface prototyping by allowing for the traversal and modification of visual hierarchies, as well as the direct manipulation o

Playwright for Python is a browser automation framework designed for end-to-end testing, web scraping, and user interaction simulation. It functions as a headless browser controller that enables programmatic navigation, data extraction, and the execution of complex workflows across multiple rendering engines. The framework distinguishes itself through an actionability-aware interaction engine that automatically verifies element readiness before performing actions, significantly reducing test flakiness. It utilizes isolated browser contexts to maintain separate storage and cookies for parallel

node-http-proxy is a Node.js HTTP proxy library used for forwarding requests to target servers. It functions as reverse proxy middleware capable of mapping incoming routes to target destinations and transforming request and response data streams. The library includes a WebSocket proxy gateway that upgrades standard HTTP connections into bidirectional streams between clients and backend servers. It also provides a response transformer for modifying bodies, location headers, and cookie domains. The project covers traffic routing management via rule-based translation tables and secure connectio

Stetho is a debug bridge that connects Android applications to Chrome Developer Tools. It allows for the real-time inspection of network traffic, internal application state, and the user interface layout directly within a desktop browser. The project provides specialized inspectors for analyzing Android-specific components. This includes a network inspector for capturing HTTP requests and responses, an SQLite database browser for querying local storage, and a view hierarchy inspector for mapping UI elements and styles. Additional capabilities cover runtime execution via an embedded JavaScrip

OpenReplay is a session replay platform and frontend debugging suite designed to record and play back user browser sessions. It functions as a user behavior monitoring system that captures interaction patterns and technical metadata to identify conversion issues and revenue loss. The platform is distinguished by its self-hosted infrastructure model, allowing the recording and analytics pipeline to be deployed on private servers for full control over data residency. It also includes a browser co-browsing tool for real-time screen sharing and direct communication to provide immediate technical

Pixez-flutter is a cross-platform mobile application designed for browsing, searching, and downloading digital artwork from external platforms. It provides a comprehensive interface for managing remote media collections, including support for viewing illustrations, manga, and animated content. The application handles user authentication and session persistence to ensure a consistent experience across different devices. The project distinguishes itself through a sophisticated network management layer that enables users to bypass regional restrictions and network limitations. By utilizing custo

This project is an NGINX module that embeds the Lua scripting language directly into the server environment. It functions as a request processor and response filter, enabling the execution of scripts to handle HTTP requests, generate dynamic content, and manage server behavior without external application calls. The module provides a shared memory dictionary and cache manager, allowing data to be stored and retrieved across all active worker processes. This capability supports the collection of high-performance server metrics and the synchronization of information across concurrent processes.

This project is a Model Context Protocol tool that connects local browser instances to AI agents, enabling programmatic control over web sessions. It functions as a browser automation framework, allowing for the navigation of pages, interaction with form elements, and the management of user data while maintaining existing authentication states and profiles. The utility distinguishes itself by enabling local analysis of browser content, including the extraction of text and the performance of semantic searches across open tabs without transmitting private data to external servers. It also provi

go-swagger is a toolkit for working with Swagger/OpenAPI 2.0 specifications in Go. It generates server, client, and CLI code from a specification document, and can also produce a specification by scanning annotated Go source code. The project includes a static validation engine that checks documents against the schema and project-specific rules, and a specification transformation pipeline that resolves, flattens, and merges documents. The toolkit generates both client and server code from the same specification, ensuring consistency in request and response handling. It also produces a command

Autocannon is a Node.js HTTP load tester and benchmarking utility used to measure server throughput and latency. It functions as a high-performance request generator designed for stress testing web servers and APIs to analyze request-per-second capacity. The tool operates as a distributed HTTP load generator capable of aggregating results from multiple machines. It also functions as a HAR file replay tool, allowing users to reproduce specific network traffic patterns by replaying recorded HTTP archive files. The project covers broad capability areas including HTTP traffic simulation through

Script is a collection of scripts and rule-sets designed for iOS proxy tools to modify mobile application behavior, filter network traffic, and automate interactions with online services. It provides a library of scripts and a network filter to manage how applications communicate with web services. The project enables the unlocking of premium features, memberships, and VIP content within third-party applications. It also allows for the bypass of geographical restrictions on downloads and the removal of advertisements from mobile application interfaces. The toolset covers the automation of we

django-debug-toolbar is a developer tool that provides a browser-based set of diagnostic panels for inspecting HTTP requests and responses within a Django web application. It serves as a server-side diagnostics tool and web framework development suite, allowing developers to profile and inspect request-response cycles. The tool focuses on Django application troubleshooting, database optimization, and general web development. It enables the analysis of SQL queries and database performance to identify slow calls and reduce the number of requests per page. The software includes capabilities for

HttpKernel is the core kernel component of the Symfony framework that orchestrates the complete HTTP request-response lifecycle. It provides an event-driven pipeline that converts an incoming HTTP request into a matching response by dispatching lifecycle events for early interception, controller resolution, error handling, response modification, and deferred tasks. The kernel automatically resolves the PHP callable that handles a request and injects its arguments using reflection and request attributes. It dispatches attribute-specific events for each PHP attribute found on a controller, enab

pydoll is a Chrome DevTools Protocol automation library and headless browser controller used for web data extraction and parallel browser automation. It controls Chromium-based browsers via direct WebSocket connections, allowing it to manage isolated browser contexts and tabs while bypassing the overhead and detection associated with WebDriver. The project features an anti-bot evasion framework that mimics natural human behavior, including mouse movements generated via Bezier curves and variable typing patterns. It provides specialized stealth capabilities to bypass behavioral analysis and au

Proxyman is a cross-platform HTTP debugging proxy that captures, inspects, and modifies HTTP, HTTPS, and WebSocket traffic. It functions as a man-in-the-middle proxy, decrypting SSL/TLS traffic to allow real-time inspection and modification of encrypted requests and responses. The tool is designed for debugging web and mobile applications, with capabilities for API mocking and simulation, scriptable traffic modification, and team collaboration on network logs. What distinguishes Proxyman is its deep integration with mobile and cross-platform development workflows. It provides automated certif

This is a Visual Studio Code extension that lets developers compose, send, and inspect HTTP requests directly from within the editor. It uses .http and .rest files as executable request definitions, parsing each block of text into a complete HTTP request that is dispatched via Node.js built-in HTTP modules without requiring a separate server process. The extension renders full HTTP responses with syntax-highlighted body, status line, and headers in a dedicated editor tab or side panel. The extension supports multiple authentication schemes including Basic, Digest, SSL certificates, Azure