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Frida

Dynamic instrumentation toolkit

Injects a JavaScript engine into running processes on Windows, macOS, Linux, iOS and Android to trace, hook and modify functions at runtime.

Open sourceLGPL-2.0-or-later WITH WxWindows-exception-3.1
Alternative toNowSecure
Visit website View repository Docs
Homepage of Frida
Official website (frida.re), captured by ThreatWire.

What Frida does

Frida lets researchers and testers write JavaScript (or use bindings from Python and other languages) that runs inside a target process, intercepting function calls, reading memory and changing behaviour. It works on desktop systems and on mobile devices, rooted or through a gadget library embedded in an app.

It underpins many mobile testing tools, including MobSF's dynamic analysis and objection. This repository is the main project hub; components live in sub-repositories.

Key features

  • JavaScript instrumentation of running processes
  • Windows, macOS, Linux, iOS and Android
  • Interceptor and Stalker tracing engines
  • Python, Node.js, Swift and other bindings
  • Gadget mode for non-rooted devices

Licence

LGPL-2.0-or-later WITH WxWindows-exception-3.1 · wxWindows Library Licence 3.1 · Open source

GitHub does not detect the licence; COPYING is the wxWindows Library Licence 3.1 (LGPL with an exception for binary distribution), which is OSI-approved.

Checked by ThreatWire against the repository's licence file on 2026-10-20. GitHub detects: NOASSERTION.

Security of Frida itself

No published advisory found for Frida in GitHub repository advisories. That does not mean the tool has no vulnerabilities.

Sources: GitHub repository advisories · checked 2026-10-20.

Categories and tags

Mobile application securityReverse engineering and malware analysis#instrumentation#hooking#android#ios#javascript#frida#vala

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