What alternative protocol architectures and route selection protocols would offer acceptable gains in Tor performance? Would they preserve Tor properties? Is it possible to improve Tor performance without changing protocols? Is it truly possible to deploy Tor at scale? And what would the full integration of Tor and Firefox look like? Those are some of the questions that Mozilla is calling researchers to answer in the privacy & security part of their Mozilla Research Grants program.

Tor Browser 8.5a12 is now available from the Tor Browser Alpha download page and also from our

Tor Browser 8.0.9 is now available from the Tor Browser Download page and also from our

Due to a mistake in Mozilla's signing infrastructure, NoScript and all other Firefox extensions signed by Mozilla h

We’re a small nonprofit organization that develops free and open source software used by millions around the world, and our community of contributors and users would greatly benefit from improved documentation.

Through Season of Docs, we want to collaborate with technical writers who can help us improve.

Tor Browser 8.5a11 is now available from the Tor Browser Alpha download page and also from our

We at the Tor Project would like to express our deep concern regarding the well-being and the rights of Ola Bini.

Tor 0.4.0.4-rc is the first release candidate in its series; it fixes several bugs from earlier versions, including some that had affected stability, and one that prevented relays from working with NSS.

The Tor network is comprised of thousands of volunteer-run relays around the world, and millions of people rely on it for privacy and freedom online everyday. To monitor the Tor network's performance, detect attacks on it, and better distribute load across the network, we employ what we call Tor bandwidth scanners.