Versions:

  • 3.10.0
  • 3.9.9
  • 3.9.8
  • 3.9.7
  • 3.9.6
  • 3.9.5
  • 3.9.4

OONI Probe 3.10.0, released by the Open Observatory of Network Interference, is an open-source network diagnostics utility whose single purpose is to detect and document internet censorship and other forms of network tampering. Designed for journalists, researchers, digital-rights investigators, and privacy-conscious users, the application automates tests that check whether websites, instant-messaging platforms, or circumvention tools are blocked, throttled, or otherwise manipulated by ISPs, governments, or corporate firewalls. Each measurement is cryptographically signed and published to the global OONI Explorer database, contributing transparent, verifiable evidence that supports policy reports, legal challenges, and academic studies on information controls. The software’s lightweight agent can be scheduled to run recurring probes across fixed or random site lists, perform middle-box detection, and simulate Tor, WhatsApp, Telegram, Facebook Messenger, or Signal traffic to reveal subtle interference patterns. After seven iterative releases the codebase remains portable, command-line driven, and fully auditable, allowing advanced users to script bespoke test suites while casual operators can launch one-click scans that generate shareable JSON summaries. Because it never modifies system traffic beyond the test packets it creates, OONI Probe fits unobtrusively into security toolkits alongside VPN clients, packet analyzers, and forensic suites. The program is available free of charge on get.nero.com, where downloads are delivered through trusted Windows package sources such as winget, guaranteeing the latest build and enabling batch installation alongside other applications.

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