Sonar – A tiny CLI to see and kill whatever's running on localhost
In plain words
Sonar is a command-line tool designed for developers who need to identify and terminate processes running on their local machine. It provides a lightweight way to view what's currently active on localhost and stop specific processes without navigating through system menus. The tool is hosted on GitHub and targets developers who work frequently with multiple local services and applications.
written from the facts on this page · September 2026
More dev tools this month
the category →



Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com

OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com

Launched alongside, March 2026
the whole month →

Switch from ChatGPT to Claude with import memory feature
AI · Mar 2026 · claude.com


