
Tor (network)
Free and open-source anonymity network based on onion routing / From Wikipedia, the free encyclopedia
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Tor, short for "The Onion Router,"[6] is free and open-source software for enabling anonymous communication.[7] It directs Internet traffic via a free, worldwide, volunteer overlay network that consists of more than seven thousand relays.[8]
Free and open-source anonymity network based on onion routing
![]() The Tor Project logo | |
![]() The Tor Browser default homepage | |
Developer(s) | The Tor Project |
---|---|
Initial release | September 20, 2002; 20 years ago (2002-09-20)[1] |
Stable release(s) [±] | |
0.4.7.13 (January 12, 2023; 4 months ago (2023-01-12)[2]) 0.4.5.16 (January 12, 2023; 4 months ago (2023-01-12)[2]) | |
Preview release(s) [±] | |
Repository | |
Written in | C,[3] Python, Rust[4] |
Operating system | Unix-like, (Android, Linux, BSD, macOS), Microsoft Windows, iOS |
Size | 50–55 MB |
Type | Overlay network, mix network, onion router, Anonymity application |
License | BSD 3-clause license[5] |
Website | www |
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Using Tor makes it more difficult to trace a user's Internet activity. Tor protects personal privacy by concealing a user's location and usage from anyone performing network surveillance or traffic analysis.[9] It protects the user's freedom and ability to communicate confidentially through IP address anonymity using Tor exit nodes.[10]