Many services with a regular website also run a version inside the Tor network. The reason is simple: an onion address lets people reach the service without revealing their location or network details to the same degree as a normal connection.
This page collects official onion versions of several services. Some are tools and organizations, others are marketplaces. You may want to browse them anonymously, download software without leaving a traceable record, or simply check whether a service you already use has a Tor presence.
Treat this as a reference list, not an endorsement. Each entry describes only what is stated in the source material. Verify every address yourself before you connect.

The Tor Project
This is an organization dedicated to the development and maintenance of Tor software, ensuring its continual improvement and security. By accessing their official onion site, you can find reliable downloads, comprehensive documentation, and ways to support their mission through donations. This resource is essential for anyone looking to safely navigate the Tor network.

Professor Mariarti
This unique platform provides users with invaluable insights into the underbelly of the online world. In addition to warning individuals about the potential pitfalls they might encounter, it also highlights various opportunities for earning money or utilizing private software designed for discreet online activities.

Tor2Door Market
Tor2Door Market is designed with user privacy in mind, featuring a user-friendly interface that simplifies the shopping experience. It accepts both Bitcoin and Monero, ensuring that your transactions remain anonymous. This marketplace integrates built-in encryption for all communications between users, promoting a secure environment for both buyers and sellers. Additionally, the platform runs a program that evaluates sellers, which helps maintain high standards in product quality and reliability throughout the listings.

Nexus Market
Nexus Market functions as a significant online marketplace where you can find a large variety of digital products and services. It employs multi-signature escrow systems, which enhance security during transactions and offer protection for buyers and sellers alike. This platform has earned a reputation for reliability, as it is supported by many active vendors. Additionally, a sophisticated dispute resolution process is implemented to handle any conflicts that may arise between users.

LONELY ROAD
If you're exploring options for online shopping in the hidden web, you might find LONELY ROAD particularly useful. This platform allows users to choose from a wide range of items, including everything from cloned cards to various types of software. It also supports multiple languages, making it accessible to many different users. Furthermore, you have options for receiving goods through parcel lockers, providing an additional layer of privacy beyond traditional mail. Enhanced with AI, you can even set up your own store on the platform, which adds to the flexibility of your online experience.
Onion versions exist for different reasons: anonymous access to tools, private channels, or marketplaces with specific delivery and payment options. The only safe approach is to verify every address before use and to rely on official sources rather than convenience.

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