Open-source alternatives to Torproject Tor

ZeroNet is a decentralized web browser and server that enables the hosting and accessing of websites without central servers. It functions as a peer-to-peer content distribution network that utilizes BitTorrent and Bitcoin cryptography to replicate and share site data across a distributed network of users. The system emphasizes censorship-resistant publishing and privacy through the integration of hidden services to anonymize network traffic. Site identity and content updates are managed via a cryptographic system using public-key pairs instead of centralized account passwords. The platform

Learning Bitcoin from the Command Line is an interactive tutorial that teaches Bitcoin Core node operation, JSON-RPC programming, and Lightning Network payments entirely from the terminal. The guide covers running a full Bitcoin Core node on a remote server with automated setup scripts, controlling the node through shell commands and JSON-RPC calls, and communicating with Bitcoin Core by sending JSON-formatted requests over HTTP. The tutorial provides hands-on instruction for writing and executing custom Bitcoin locking and unlocking scripts using Bitcoin's stack-based scripting language, bui

Searx is a privacy-respecting metasearch engine and search result aggregator. It functions as a self-hosted search proxy that queries diverse web services, databases, and local indices to present a single unified list of results. The project prevents user tracking and profiling by acting as an intermediary between the client and search services. It strips identifying information from queries, removes tracker URLs and HTTP referrers from outgoing links, and can route traffic through proxies or the Tor network to mask user identity. The system supports multilingual search and result filtering

This project is a public proxy aggregator and directory providing curated lists of validated HTTP and SOCKS proxy servers. It features a machine-readable API service and tools designed for anonymous network routing and the automated rotation of outgoing IP addresses. The system distinguishes itself through a proxy rotation tool used to bypass rate limits and prevent detection by automated security systems. It provides a programmatic interface for retrieving and filtering verified proxies by country and protocol, delivering this data in JSON and text formats for integration into custom applica

i2pd is a C++ implementation of the I2P anonymous network layer, serving as a peer-to-peer overlay network and I2P network router. It functions as a decentralized communication system that masks IP addresses and encrypts data using a garlic routing protocol. This project provides a lightweight daemon that acts as a self-hosted privacy gateway, connecting local applications to the I2P network for private data transmission without the use of Java. The system covers anonymous peer communication, privacy-preserving networking, and secure client-server interactions. It implements end-to-end encry

This repository serves as a comprehensive collection of configuration templates, deployment scripts, and technical documentation for establishing secure, obfuscated network tunnels. It provides a centralized resource for users to implement advanced proxy services, focusing on the practical application of structured configuration schemas to manage complex traffic routing and protocol settings across diverse environments. The project distinguishes itself by offering a library of standardized templates for high-performance and censorship-resistant protocols. It covers a wide range of tunneling m

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

I2P is a decentralized anonymous network layer and peer-to-peer overlay network. It functions as a darknet infrastructure that encrypts traffic and masks user identities and locations from external observers. The system acts as an anonymous proxy gateway, enabling the hosting of hidden services and websites that are unreachable via the public internet. It provides capabilities for privacy-preserving web mirroring and private secure shell tunneling to hide the physical IP addresses of both servers and clients. The network employs garlic routing, unidirectional tunneling, and a distributed has

REALITY is a censorship circumvention tool and network traffic obfuscator designed to bypass internet filters. It functions as a secure tunneling protocol that masks connection patterns and identity by mimicking the TLS handshakes of legitimate target websites. The system removes server-side TLS fingerprints to hide encrypted traffic from network monitoring tools and deep packet inspection. It employs a website mimicking proxy to present valid handshakes and forward traffic to destination servers, masquerading the connection as a legitimate site visit. The project incorporates a quantum-resi

Tribler is an anonymized peer-to-peer network and BitTorrent client that enables the sharing of files and streaming of media through multi-hop encrypted circuits. It functions as a distributed content search engine and privacy-preserving torrent streamer designed to prevent traffic analysis. The project distinguishes itself by integrating onion routing directly into the file-sharing process, masking the identities and locations of both downloaders and seeders. It utilizes a decentralized reputation system to track node reliability and mitigate spam without relying on central servers. The pla

Halloy is an IRCv3 chat client designed for real-time communication across multiple servers and networks. It implements modern protocol standards, including support for message tags, read markers, rich user metadata, and WebSocket connections. The project distinguishes itself through integrated anonymity and deep interface customization. It features native Tor and proxy routing to hide the user's connection origin and provides a themed environment with configurable window pane layouts, keyboard aliases, and custom color schemes. The client covers a broad range of capabilities, including chan

This project is a comprehensive technical documentation repository focused on Linux system administration, network security, and privacy-oriented computing. It provides a curated knowledge base of instructional guides and configuration tutorials designed to assist users in managing low-level system environments, kernel compilation, and bootloader setup. The repository distinguishes itself by emphasizing privacy engineering and infrastructure hardening. It offers detailed procedures for anonymizing network traffic, securing credentials, and isolating applications within a computing environment

Electrum is an open-source, non-custodial Bitcoin wallet client that manages keys, transactions, and balances using Simplified Payment Verification (SPV) for lightweight transaction verification without downloading the full blockchain. It operates through a persistent background daemon that exposes a JSON-RPC interface for wallet operations and automation, and generates wallet keys from a mnemonic seed phrase using hierarchical deterministic key derivation. The wallet distinguishes itself through support for cold storage security with offline transaction signing on air-gapped devices, integra

CrawlerTutorial is a comprehensive Python web scraping tutorial and framework designed for extracting data from static and dynamic websites. It functions as a web data extraction pipeline and an HTTP request orchestrator, covering the full lifecycle of scraping applications from initial fetching to final data storage. The project provides specialized guidance on anti-bot bypass techniques and web API reverse engineering. It includes methods for evading browser detection through identity masking and proxy rotation, as well as techniques for identifying hidden API endpoints by analyzing network

Cromite is a privacy-focused browser built as a fork of Chromium that embeds a network-level content blocking engine to intercept advertisements, pop-ups, and tracking scripts before they reach the page. It applies community-maintained public filter lists directly within the browser, eliminating the need for external extensions, and uses a curated patch system applied to the Chromium source tree at build time to add or modify features without maintaining a separate codebase. The browser is hardened against tracking and data leakage through a comprehensive set of privacy and security measures.

Firefly-proxy is a censorship circumvention proxy and network traffic obfuscator designed to bypass national firewalls and regional internet blocks. It functions as a SOCKS5 proxy server that routes traffic through obfuscated tunnels to provide secure web access. The project implements transport-layer obfuscation and TCP-stream encryption to mask network traffic patterns and evade detection by deep packet inspection systems. It utilizes remote peer tunneling to establish encrypted connections between local clients and foreign servers. The system supports general network traffic proxying via

OnionShare is an anonymous file sharing tool and Tor hidden service manager. It enables the transfer of files and messages over the Tor network to mask the physical location and identity of the host. The project provides capabilities for anonymous file sharing, anonymous file reception, and the hosting of both private and static websites as hidden services. It also includes a Tor-based chat application for establishing encrypted, real-time messaging sessions. The system includes tools for network censorship circumvention through pluggable transports and bridges. It supports security and acce

This project is a GitHub-based discussion forum and community platform designed for developers and researchers to exchange techniques for bypassing network blocks and filters. It serves as a multilingual technical forum dedicated to coordinating information sharing and research on internet censorship circumvention. The platform utilizes GitHub issues as its primary threading model and employs Git for state persistence. This allows for open source collaboration and the exchange of specialized knowledge across different languages to maintain access to the open internet. The system supports tec

This project is a comprehensive technical manual and reference guide focused on network proxies, virtual private networks, and the circumvention of internet censorship. It provides detailed analysis of network censorship and firewall strategies, including port blocking, DNS poisoning, and SSL connection interception. The documentation explains the underlying mechanics of VPN protocols, tunnels, and proxy systems to clarify how data routing and connectivity function. It includes instructional content for configuring proxy software and resolving DNS certificate errors across Windows, macOS, and

Privacy Badger is a browser privacy extension designed to block third-party trackers and strip monitoring parameters from URLs to protect user anonymity. It functions as a heuristic tracker blocker, identifying tracking domains by analyzing their appearance across multiple websites. The extension includes a link tracking sanitizer that uses regular expression matching to remove identifiers from outgoing links before navigation occurs. It also acts as a third-party content controller, replacing embedded trackers and social widgets with placeholders that only activate upon manual user interacti

This project is a CDN binary distribution system and cross-platform installer portal. It serves as a distribution point and web interface for downloading versioned binaries, specifically focusing on VPN clients and networking software designed for internet censorship circumvention and network proxy setup. The system uses client-side metadata resolution to analyze browser agents and operating systems, mapping user device profiles to the correct software build. It employs platform-specific routing to direct users to dedicated download endpoints for mobile or desktop environments. Binary delive

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 encapsulatio

Nitter is a privacy-focused, alternative web interface for viewing public social media content. It functions as a server-side proxy that fetches and renders external posts, allowing users to browse content without requiring a personal account or executing third-party tracking scripts. By stripping away user identifiers and tracking mechanisms, the application provides a lightweight, anonymous viewing experience. The project distinguishes itself through its emphasis on network-level privacy and self-sovereignty. It supports routing traffic through Tor and I2P networks to bypass censorship and

Xray-core is a high-performance, cross-platform networking engine designed to manage secure data transmission and traffic routing. At its core, the project utilizes an asynchronous, event-driven runtime model capable of handling thousands of concurrent connections through non-blocking input and output. It functions as a central traffic controller, employing a sophisticated routing engine that dynamically matches incoming network requests to specific outbound proxies based on user-defined criteria. The project distinguishes itself through a modular architecture that decouples proxy and transpo

Monero is a privacy-focused cryptocurrency and proof-of-work blockchain designed for private digital payments. It utilizes a peer-to-peer network and a distributed ledger to allow users to send and receive currency while hiding transaction senders, receivers, and amounts. The system achieves financial confidentiality through the use of ring signatures for sender obfuscation and RingCT with Bulletproofs to hide transaction values. To ensure network security and decentralization, it employs a memory-hard proof-of-work algorithm optimized for general-purpose CPUs. The project provides a full no

BrowserBox is a remote browser isolation platform that executes web sessions within containerized server environments. It utilizes a server-side browser running in Docker or LXC to isolate untrusted content from local devices, transmitting the session to clients via a low-latency secure web streamer. The system features a remote browser API for provisioning ephemeral, short-lived browsing sessions and a network tunneling gateway that uses SSH tunnels and onion services to provide anonymous or secure routing. It employs GPU-accelerated server rendering to stream live video of the browser sessi

This project is a comprehensive security hardening and privacy management guide for macOS. It provides a set of instructions and checklists for reducing the system attack surface through manual configuration, policy enforcement, and a layered defense strategy. The guide emphasizes a system auditing framework, using binary analysis, system logs, and packet inspection to verify that security controls and application sandboxing are functioning as intended. It offers tool-agnostic recommendations, defining security goals while allowing users to select their own third-party software for implementa