Zerodrop

Open-source stealth URL toolkit optimized for bypassing censorship filters.

tor

The Tor network is a group of volunteer-operated servers that allows people to improve their privacy and security on the Internet. Tor's users employ this network by connecting through a series of virtual tunnels rather than making a direct connection

i2p

I2P is an anonymizing network, offering a simple layer that identity-sensitive applications can use to securely communicate. All data is wrapped with several layers of encryption, and the network is both distributed and dynamic, with no trusted parties.

hidden lake

Hidden Lake is a decentralized anonymous F2F (Friend-to-Friend) network with theoretical provability based on queues (QB task).

vuvuzela

Vuvuzela is a messaging system that protects the privacy of message contents and message metadata. Users communicating through Vuvuzela do not reveal who they are talking to, even in the presence of powerful nation-state adversaries.

whonix

Whonix is an operating system focused on anonymity, privacy and security. It's based on the Tor anonymity network, Debian GNU/Linux and security by isolation. DNS leaks are impossible, and not even malware with root privileges can find out the user's real IP.

tails

Tails is a portable operating system that protects against surveillance and censorship.

shadowsocks

a fast socks5 proxy that encrypts traffic

v2ray

A platform for building proxies to bypass network restrictions

obfsproxy

Tor framework for implementing pluggable transports (anti-censorship network tunnels)

obfsproxy with OpenVPN

OpenVPN traffic obfuscation using obfsproxy

flashproxy

miniature proxy that runs in a web browser, and reflects traffic to a Tor relay.

meek

Tor pluggable transport that uses HTTP for carrying bytes and TLS for obfuscation.

lantern

Lantern is a free desktop application that delivers fast, reliable and secure access to the open Internet for users in censored regions

algo

Set up a personal VPN in the cloud

MTProxy

Proxy server which helps telegram users who are inside censored areas still be able to connect to telegram

streisand

single command set for a server running a wide variety of anti-censorship software

WireGuard

WireGuard is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography. It aims to be faster, simpler, leaner, and more useful than IPSec, while avoiding the massive headache. It intends to be considerably more performant than OpenVPN.

tunsafe

TunSafe is a fast and modern layer 3 VPN tunnel that implements the new and modern WireGuard protocol that is becoming increasingly popular in the VPN community due to its security, speed, reliability and ease of use. TunSafe was developed with the goal to bring the power of the WireGuard-protocol…

scramblesuit

Tor pluggable transport that uses look-like-nothing traffic as a cover channel

FTE

fteproxy provides transport-layer protection to resist keyword filtering, censorship and discriminatory routing policies

telex

involves placing anticensorship technology into the Internet's core network infrastructure, through cooperation from large ISPs.

uproxy

uProxy is a browser extension that lets friends route their connection to their Internet through each other's computers. It can help people with restricted or insecure access to the Internet get to the content they care about safely.

NaïveProxy

NaïveProxy uses Chrome's network stack to camouflage traffic with stronger censorship resistence and less detectablility than custom-made network stacks (Shadowsocks and variants, V2Ray suite, handmade Golang stacks).

gost

GO Simple Tunnel - a simple tunnel written in golang

obfs4

the newest version of the Tor obfsproxy obfuscation proxy. implements multiple pluggable transports.

trojan

An unidentifiable mechanism that helps you bypass GFW

govpn

Simple secure VPN daemon, aimed to be reviewable, secure, DPI/censorship-resistant.

gohop

A VPN implemention in golang, with crypto and obfuscation in nature.

Dust

A Polymorphic Engine for Filtering-Resistant Transport Protocols

marionette

Marionette is a programmable client-server proxy that enables the user to control network traffic features with a lightweight domain-specific language.

facebook-tunnel

Tunneling Internet traffic over FB chat.

chnroutes

modifies the route table to route only censored ips through vpn

firefly-proxy

A proxy software to help circumventing the Great Firewall.

iodine

This is a piece of software that lets you tunnel IPv4 data through a DNS server. This can be usable in different situations where internet access is firewalled, but DNS queries are allowed.

obfuscated-openssh

Handshake obfuscation strengthens the initial SSH handshake against systems that identify or classify various network protocols by examining data in transit for static signatures.

infranet

Infranet is a system that attempts to circumvent web censorship by allowing clients to surreptitiously request sensitive content via cooperating Web servers distributed across the global Internet.

fwlite

A powerful HTTP proxy server designed to circumvent the Great Firewall (GFW)

code-talker-tunnel

Code Talker Tunnel (previously called SkypeMorph) is a protocol camouflaging tool, designed to reshape traffic output of any censorship circumvention tool to look like Skype video calls

stegotorus

StegoTorus, a tool that comprehensively disguises Tor from protocol analysis. To foil analysis of packet contents, Tor's traffic is steganographed to resemble an innocuous cover protocol, such as HTTP.

go-packetflagon

A local HTTP application that serves customised Proxy Auto Configuration files for your browser to help bypass Internet censorship.

Firezone

Self-hosted VPN server using WireGuard. Supports MFA, SSO, and has easy deployment options.

Hedioum Pool Tunnel

A high-performance anti-DPI tunnel in Go that disguises VLESS/Trojan traffic as SSH, TLS/HTTPS, SMTP/IMAP or a DirectAdmin panel, with dynamic connection pools and real Let's Encrypt certificates.

Stunning

Multi-protocol tunneling engine with composable anti-DPI plugin chains (TLS/HTTP mimicry, padding, traffic morphing) and access-control gates, written in Go.

amneziawg-installer

Automated one-command setup of AmneziaWG 2.0 VPN on Ubuntu & Debian — an obfuscated WireGuard fork with DPI bypass, client management, and server hardening.

ipfs

IPFS is a global, versioned, peer-to-peer filesystem (awesome list)

dat

a decentralized tool for distributing data (awesome list)

ZeroNet

Decentralized websites using Bitcoin crypto and the BitTorrent network

sovereign

Censorship resistant democracies.

tribler

Privacy enhanced BitTorrent client with P2P content discovery

AKASHA

next-generation social media network immune to censorship by design. It is built on top of Ethereum using Smart Contracts and IPFS

twister

twister is an experimental peer-to-peer microblogging software.

freenet

Freenet is a peer-to-peer platform for censorship-resistant communication.

Disroot

Disroot is a platform providing online services based on principles of freedom, privacy, federation and decentralization.

ooni-probe

OONI Probe network measurement tool for detecting internet censorship https://ooni.io

mongol

A simple python tool to pinpoint the IP addresses of machines working for the Great Firewall of China.

ChinaDNS

Protect yourself against DNS poisoning in China.

https://github.com/gfwlist/gfwlist

Great Firewall of China ban list

gfw_whitelist

A Pac File of the Whitelisted Websites for the Great Firewall of China (GFW)

antizapret

List of Russian government's IP addresses.

BlockCheck

A script that detects what kind of blocking (DNS, IP, DPI) your ISP is using (for Russia).

GoodbyeDPI

Passive Deep Packet Inspection blocker and Active DPI circumvention utility (for Windows)

DPITunnel

DPI Tunnel is an application for Android that uses various techniques to bypass DPI (Deep Packet Inspection) systems, which are used to block some sites.

Geneva (Genetic Evasion)

Novel experimental genetic algorithm that evolves packet-manipulation-based censorship evasion strategies against nation-state level censors.

Voidly Censorship Index

Real-time global censorship analytics aggregating 19.6M live OONI samples, 1.6M historical records, IODA outage alerts, and CensoredPlanet probes across 119+ countries. Surfaces 5,356 citable incidents (DNS poisoning, TCP-resets, blockpages, BGP outages), an ML-driven shutdown early-warning model,…

DissidentX

DissidentX is encoding messages in files on the web.

Real Steganography with TrueCrypt

(applies to VeraCrypt as well) - hiding containers inside MP4 video files.

PixelKnot

image steganography for Android.

cachebrowser

CacheBrowser is a system designed to help Internet users bypass Internet censorship. The core idea ofCacheBrowser is to grab censored content cached byContent Delivery Networks such asAkamai andCloudFlare directly from their CDN edge servers, therefore, foiling censors' DNS interference.

rubberhose

Julian Assange's deniable-encryption filesystem.

OnionShare

tool that lets you securely and anonymously share a file of any size (over TOR).

awesome-vpn

A curated list of awesome free VPNs and proxies.

awesome-privacy

Limiting personal data leaks on the internet

personal-security-checklist

A curated list of links and tips, to protect privacy and improve security

Analyzing China's Blocking of Unpublished Tor Bridges

Learning more about the GFW's active probing system

A closer look at the Great Firewall of China - Tor Blog

How the Great Firewall of China is Blocking Tor

Towards a Censorship Analyser for Tor

stegotorus

Format-Transforming Encryption

ScrambleSuit

My Experience With the Great Firewall of China - Infosec

Selected Research Papers in Internet Censorship

Course info - ECEN 5003: Censorship Circumvention