avwo/whistle
HTTP, HTTP2, HTTPS, Websocket debugging proxy
whistle is an open source JavaScript project by avwo, created in March 2015. It has 15,742 stars and 1,183 forks on GitHub and is released under the MIT license. Its most recent commit was on Oct 19, 2026, and it has 57 open issues. Its GitHub topics include fiddler, charles, hosts, and web. On FindOpenSource.dev it is listed under Networking & APIs.
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