Free, open-source HTTP, HTTPS and WebSocket debugging proxy for Windows and macOS. Rust core + Electron UI. Alternative to Charles, Proxyman and Fiddler.
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Updated
Sep 9, 2026 - JavaScript
Free, open-source HTTP, HTTPS and WebSocket debugging proxy for Windows and macOS. Rust core + Electron UI. Alternative to Charles, Proxyman and Fiddler.
HTTP traffic recording, sanitization, and replay library for Go. Record real API interactions, automatically redact secrets and PII, replay as mock server. Embeddable, zero dependencies, sanitize-on-write.
Record browser traffic, get a runnable Python scraper of any site's private API - plus a Postman collection and an LLM-ready JSON report. Chrome MV3, zero deps.
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