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Charles vs Proxelar: catalog facts
Charles	Proxelar
Paid Commercial software with licences sold on the official site.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, Command line
Shows full HTTP and HTTPS requests, responses and headers Works as a reverse proxy as well as a monitor	Handles HTTP, HTTPS and WebSocket traffic Replay and rewrite of requests, not just inspection
Paid licence required HTTPS inspection needs certificate setup on the client	HTTPS interception requires trusting a local certificate Command-line focused rather than a full desktop GUI
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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