Sonar is a CLI tool that replaces manual `lsof` and `ss` commands for inspecting services listening on localhost ports. It displays process names, Docker container names, Compose projects, resource usage, and clickable URLs in a unified table. Beyond listing, it supports killing processes/containers, tailing logs, shelling into containers, watching for port changes with desktop notifications, visualizing service dependency graphs, saving port profiles per project, and proxying traffic between ports. Works on macOS (via lsof) and Linux (via ss).
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