Tor Network
- Lyrebird - Tor pluggable transport implementation supporting obfs4 and related bridge transports
- Conjure - Refraction networking pluggable transport for censorship circumvention
- Tor Project - Free software and decentralized network for anonymous communication
- Tor Browser - Hardened Firefox browser configured for Tor
- Onion Services - Hidden services accessible only within the Tor network
- Tor Pluggable Transports - Censorship circumvention via obfs4, snowflake, and meek bridges
- Snowflake - WebRTC-based pluggable transport for Tor censorship resistance
- Snowflake GitHub - Original WebRTC pluggable transport repository with client, proxy, and library code
- Snowflake 2.0 - Major 2025 update with improved obfuscation and scalability for high-censorship regions
- WebTunnel - HTTP-based obfuscation transport simulating regular HTTPS traffic
- Conjure - New pre-alpha pluggable transport available in Tor Browser nightlies
- Tor2web - Access .onion services from a regular browser (trade-off: no anonymity)
- Onion-Location - HTTP header for revealing .onion sites via regular browsers
- Tor Network Documentation - Comprehensive manual for using Tor effectively
- Tor Browser: Unblocking Tor - Official guide to obfs4, meek, Snowflake, WebTunnel, bridges, and Lyrebird
- Tor daemon bridge setup - torrc examples for obfs4, Snowflake, and WebTunnel pluggable transports
I2P (Invisible Internet Project)
- I2P - Fully decentralized, self-organizing overlay network for anonymous communication
- i2p.i2p GitHub - I2P Java implementation
- I2Pd - Lightweight C++ implementation of I2P client
- I2P+ - Enhanced Java I2P router distribution with improved console UX and performance tuning
- I2P+ GitHub - Source repository for the I2P+ soft fork of the Java I2P router
- I2P Botnet - Community resources and services on I2P
- StormyCloud I2P Reseed - Public signed reseed server for bootstrapping new I2P routers
- I2P 2.11.0 Release - Latest release with improved NTCP2 resistance to probing attacks
- I2P 2.9.0 Release - June 2025 release with thread and performance improvements
- awesome-i2p - Curated list of I2P implementations, libraries, projects, and resources
Mix Networks
- Nym - Decentralized noise-generating mixnet providing network-level anonymity
- Nym GitHub - Rust monorepo for Nym nodes, gateways, clients, SDKs, wallet, explorer, and network services
- NymVPN - Cross-platform VPN application leveraging Nym’s 5-hop mixnet for traffic privacy
- NymVPN v2026.7 - Split tunneling (beta), post-quantum Lewes protocol, improved macOS authentication (April 2026)
- NymVPN vs VPNs vs Tor vs I2P vs dVPNs - Detailed comparison of anonymity solutions
- Nym NEAR Integration - Nym mixnet privacy for NEAR blockchain ecosystem
- Nym 2026 Roadmap - Plans for enhanced censorship resistance and privacy features
- NymVPN Censorship Resistance 2026 - Building decentralized VPN network for bypassing censorship
- NymVPN dApp Mode - Route wallet traffic through mixnet via SOCKS5 proxy for blockchain metadata privacy
- Katzenpost - Mix network research project and protocol specification
- Katzenpost Mix Spec - Formal mix network protocol specification
- Katzenpost GitHub - Open source mix network implementation with post-quantum cryptography
- Loopix Anonymity System - Piotrowska et al. (2017) — low-latency mixnet with cover traffic and provider-based anonymous messaging
- Loopix Messaging - Experimental Go implementation of anonymous messaging using mix networks
- Mixnet and ACN Research - Curated bibliography for mixnets and anonymous communication networks
- Katzenpost FOSDEM 2025 - Post-quantum mixnet implementation in Go
- Katzenpost Threat Model - Security assumptions and attack scenarios for the mixnet design
- Katzenpost Admin Guide - Running Katzenpost servers including local Docker mixnet setups
- HOPR - Decentralized, metadata-private point-to-point data exchange protocol based on an incentivized mixnet