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PacketProxy vs Charles: catalog facts
PacketProxy	Charles
Free Free and open source under the Apache 2.0 licence.	Paid Commercial software with licences sold on the official site.
macOS	Windows, macOS, Linux
Intercepts protocols beyond HTTP Actively maintained, with recent commits	Shows full HTTP and HTTPS requests, responses and headers Works as a reverse proxy as well as a monitor
No packaged releases on GitHub Requires a Java environment	Paid licence required HTTPS inspection needs certificate setup on the client
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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