Having a diverse user base means we have diverse funding sources, too. Our goal is to continue diversifying our funding. To inquire about sponsorship, please email giving(at)torproject.org.

Thank you to all the people and groups who have made Tor possible so far, and thank you especially to the individual volunteers who have made non-financial contributions: coding, testing, documenting, translating, educating, researching, and running the relays that make up the Tor network.

Active Sponsors

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Tens of thousands of individuals like you

Donations from individuals allow us to easily allocate resources to emergent events that require our response. This is extremely important for our work providing essential safety to people in volatile locations.

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Open Technology Fund

OTF strives to support technology-centric solutions for anyone affected by censorship, surveillance, and internet blocking in order to protect fundamental human rights. These contracts are used to further our work observing and responding to internet censorship around the world and also to improve onion services, one of the few censorship circumvention technologies that allows users to route around censorship while simultaneously protecting their privacy and identity.

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Sida - Swedish International Development Cooperation Agency

Sida is a government agency working on behalf of the Swedish parliament and government, with the mission to reduce poverty in the world. Through their work and in cooperation with others, Sida contributes to implementing Sweden's Policy for Global Development.

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Media Democracy Fund

MDF expertise in media and technology policy and extensive partnerships enable them to guide their funding partners through the rapidly changing issues and develop strategies that address priorities in digital equity and rights. These grants were unrestricted, general operating funds for both the Tor Project and the Open Observatory of Network Interference (OONI).

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The Handshake Foundation

Handshake is a decentralized, permissionless naming protocol compatible with DNS where every peer is validating and in charge of managing the root zone with the goal of creating an alternative to existing Certificate Authorities. This grant was unrestricted, general operating funds for the Tor Project.

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Fastly's global edge cloud platform processes, serves, and secures applications as close to users as possible, at the edge of the network. Fastly generously hosts our Tor Browser update downloads that can be fetched anonymously.

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U.S. Department of State Bureau of Democracy, Human Rights, and Labor

The Bureau of Democracy, Human Rights and Labor leads the U.S. efforts to promote democracy, protect human rights and international religious freedom, and advance labor rights globally. We're using this funding for “Anti-Censorship Technologies” - a project to empower human rights defenders in the Global South by giving them the tools they need to do their important work.

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DARPA via University of Pennsylvania

DARPA’s Extreme DDoS Defense (XD3) program focuses on three broad areas of opportunity to improve resilience against DDoS attacks and aims to thwart DDoS attacks. This contract supports our work addressing denial of service attacks on free and open communication on the internet.

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Institute of Museum and Library Services via New York University

Institute of Museum and Library Services advances, supports, and empowers America's museums, libraries, and related organizations through grantmaking, research, and policy development. This grant helps fund Tor's affiliate project, Library Freedom Institute, which advances the use of practical privacy tools in libraries and their communities through the development of a privacy-focused train-the-trainer program for librarians.

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Team Cymru

Team Cymru has over a decade of experience and expertise at providing unparalleled threat intelligence and insight for security vendors, network defenders, incident response teams, and analysts. Cymru generously donated hardware to us that they keep hosted on their racks.

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Craig Newmark Philanthropies

Craig Newmark Philanthropies was created by craigslist founder Craig Newmark to support and connect people and drive broad civic engagement. The organization works to advance people and grassroots organizations that are getting stuff done in areas that include trustworthy journalism, voter protection, gender diversity in technology, and veterans and military families. The organization has provided Tor Project with an unrestricted gift.

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RIPE NCC (Network Coordination Centre) an independent, not-for-profit membership organization that supports the infrastructure of the Internet through technical coordination in their service region. RIPE NCC’s most prominent activity is to act as the Regional Internet Registry (RIR) providing global Internet resources and related services (IPv4, IPv6 and AS Number resources) to members in their service region. RIPE is supporting a project to improve the Tor network’s IPv6 support. We will do so by improving our software and increasing the number of Tor network relays that support IPv6.

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DARPA via Georgetown University

DARPA's Resilient Anonymous Communication for Everyone (RACE) program researches technologies for a distributed messaging system that can: a) exist completely within a given network, b) provide confidentiality, integrity, and availability of messaging, and c) preserve privacy to any participant in the system. This contract supports our work to develop, integrate and analyze a suite of obfuscated channels to support RACE goals for varying adversarial networks.

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National Science Foundation via Georgetown

The National Science Foundation funds research and education in most fields of science and engineering. This contract supports building a novel Anonymous Communication Experimentation (ACE) software framework and developing a user interface, a toolkit to model inputs and visualize outputs, and a data repository to share and archive results.

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Zcash Foundation

The Zcash Foundation is a 501(c)(3) nonprofit that focuses on financial privacy. Their mission is to build internet payment and privacy infrastructure for the public good. They serve the users of the Zcash protocol and blockchain. The Foundation also supports other applications of zero-knowledge cryptography, as well as other approaches to private cryptocurrency. This project is to change Tor’s design to accommodate spikes in users & third-party implementations.

Past Sponsors

This sponsors page is based upon un-audited and un-reviewed financial and in-kind donations, contract, and other data.

Further details about our audited and reviewed funding can be found with our Financial Reports.