Zero-Knowledge Systems Inc Competitors

The Tor Project is a 501(c)(3) nonprofit organization. We develop free and open source software for privacy and freedom online, protecting people from tracking, surveillance, and censorship. The Tor Project’s mission is to advance human rights and freedoms by creating and deploying free and open source anonymity and privacy technologies, support their unrestricted availability and use, and further their scientific and popular understanding. Tor protects you by bouncing your communications around a distributed network of relays run by volunteers worldwide: it prevents somebody watching your internet connection from learning what sites you visit and it prevents the sites you visit from learning your physical location. Tor works with many of your existing applications, including web browsers, instant messaging clients, remote login, and other applications based on the TCP protocol. The easiest way to use Tor is in Tor Browser, which adds additional privacy protections to your browsing experience. Tor Browser protects against cross-site tracking with first-party isolation and browser fingerprinting. Using Tor can also help you access an open web if you're in a part of the world or on a network where sites are blocked.

Oasis provides a privacy layer for Web3 and AI. Add Smart Privacy to dApps on any EVM chain — 100% private, 100% public, or anywhere in between.

Dusk is a public, permissionless Layer 1 blockchain purpose-built for regulated financial markets. It enables the native issuance, trading, and settlement of real-world assets (RWAs) in full compliance with EU regulations such as MiFID II, MiCA, and the DLT Pilot Regime. Through strategic partnerships - including with NPEX, a Dutch MTF-regulated exchange, and Quantoz, a MiCA-compliant EMI issuing EURQ—Dusk facilitates the creation of secondary markets for digital securities. With privacy-preserving smart contracts, zero-knowledge compliance infrastructure, and institutional custody solutions like Dusk Vault, Dusk provides the complete stack for compliant on-chain finance in Europe.