Open-source scanner for auditing onion-service metadata and operational security.
onionsearch is a Python script that scrapes URLs on different .onion search engines. It is distributed on PyPI as version 1.3, released on October 22, 2021, under the GNU General Public License v3. The package page states the author has not provided a project description.
Ahmia is a search engine for services on the Tor network. It indexes hidden services, which require the Tor browser bundle to access, and states that abuse material is not allowed and is removed from the index. The project is developed as free and open source software, with a crawler, an index and a search website.
An arXiv paper measuring onion website discovery and Tor users' interests with honeypots. The authors deployed honeypot onion websites in March–April 2025 and seeded links via three channels to observe interaction events. They report that human users almost without exception originated from Ahmia.fi, and that the CSAM-themed honeypot drew markedly higher engagement than the others.
The Tor Project Forum is a discussion site for Tor users. It hosts user support, Tor blog comments, project announcements, feedback on Tor Browser and Tor Project websites, and discussions in languages other than English. It also covers events, general Tor ecosystem topics, read-only mirrors of Tor Project mailing lists, and development of Arti.
RansomLook is an open-source intelligence site that tracks ransomware groups, markets and threat actors, displaying posts and activity statistics. It reports 35,915 ransomware posts across 634 groups, 147 markets and 32 actors, alongside leak, ransom note and crypto address counts. An API and torrent intelligence features are listed.
A set of documents describing how Tor works, intended to present its protocols in enough detail for a reader to implement a compatible implementation without reading the Tor source code. The documents were migrated to mdbook in late 2023 and are maintained in a gitlab repository; a separate proposals directory holds design proposals.
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onionsearch is a Python script that scrapes URLs on different .onion search engines. It is distributed on PyPI as version 1.3, released on October 22, 2021, under the GNU General Public License v3. The package page states the author has not provided a project description.
Ahmia is a search engine for services on the Tor network. It indexes hidden services, which require the Tor browser bundle to access, and states that abuse material is not allowed and is removed from the index. The project is developed as free and open source software, with a crawler, an index and a search website.
An arXiv paper measuring onion website discovery and Tor users' interests with honeypots. The authors deployed honeypot onion websites in March–April 2025 and seeded links via three channels to observe interaction events. They report that human users almost without exception originated from Ahmia.fi, and that the CSAM-themed honeypot drew markedly higher engagement than the others.
The Tor Project Forum is a discussion site for Tor users. It hosts user support, Tor blog comments, project announcements, feedback on Tor Browser and Tor Project websites, and discussions in languages other than English. It also covers events, general Tor ecosystem topics, read-only mirrors of Tor Project mailing lists, and development of Arti.
RansomLook is an open-source intelligence site that tracks ransomware groups, markets and threat actors, displaying posts and activity statistics. It reports 35,915 ransomware posts across 634 groups, 147 markets and 32 actors, alongside leak, ransom note and crypto address counts. An API and torrent intelligence features are listed.
A set of documents describing how Tor works, intended to present its protocols in enough detail for a reader to implement a compatible implementation without reading the Tor source code. The documents were migrated to mdbook in late 2023 and are maintained in a gitlab repository; a separate proposals directory holds design proposals.
