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Buggregator — a single-binary debugging server for PHP. Captures exceptions, dumps, emails, profiling, logs in real-time UI. Sentry, Ray, VarDumper, SMTP, Monolog, Inspector, XHProf and more. Maintained by buggregator on GitHub, where it has earned 1,069 stars from the community.

It's actively developed around symfony, xhprof, xhprof-ui, and is a solid reference for anyone building with these tools.