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mitmproxyZAP
Free

Free and open source under the MIT licence.

 Free

Free and open source under the Apache licence.

Windows, macOS, Linux, Command line Windows, macOS, Linux, Browser extension
  • Intercepts, displays and lets you modify HTTPS traffic in flight
  • Three interfaces: interactive console, web, and a scriptable dump mode
  • Intercepting proxy plus automated scanning in one free tool
  • API and automation framework make it usable inside CI pipelines
  • Requires installing its certificate authority on the client device
  • Certificate pinning in many apps blocks interception entirely
  • Active scanning can damage a live application and must only be run with permission
  • Java application with a heavy interface
Downloadable app Downloadable app, Browser extension
Open source Open source
License: MIT License: Apache-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.