Sonar CLI
Port manager in Developer tools
Lightweight single-binary CLI with no dependencies for listing and killing localhost ports. Critics question its need and suggest renaming to avoid confusion.
Lightweight single-binary CLI with no dependencies for listing and killing localhost ports. Critics question its need and suggest renaming to avoid confusion.
17 people gave an opinion
- recommend it
- 14
- criticize it
- 3
- approval share
- 82%
Recommended in 2 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 14 people recommend itNeeds 10 or more, met.
- 4.7 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 2 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Lightweight, single binary, no dependencies
“that's what makes it so lean (it doesn't really pull in anything)”
Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost” “So I built this lightweight CLI. Single binary, no dependencies.”
Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost” “It's pretty lightweight if that helps”
Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost” Goes beyond listing and killing ports
“I have added quite a lot of functionality beyond listing and killing ports. Please check out the readme, it may convince you to try it out.”
Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost” “It's not just about listing running ports, but a tool for managing them.”
Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost” “this adds a bit more functionality. Maybe some if it you'll find useful”
Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost” Useful daily tool worth keeping
“the kind of small tool that earns a permanent spot in your toolkit”
Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost” “I am absolutely installing this and starting to use it daily!”
Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost” “this is probably what I'm migrating to”
Comment from 21 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost” - Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost”
What people warn about
Each mark is one comment
Name may cause confusion
“might be worth considering a rename to avoid the confusion”
Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost” Questions the need for a CLI
“It looks to me like a convenience tool. Which is fine, but i see no need for it myself”
Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost” “not sure why a whole cli app is needed”
Comment from 20 Mar 2026 in “Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost”
What people said
20 of the 24 comments that mention it, newest first. Each links to the original comment.
“this is probably what I'm migrating to”
“The Docker container detection is a nice touch”
“the kind of small tool that earns a permanent spot in your toolkit”
“Your app inspires me to take a look at Go, again!”
“Honestly, pretty cool. I was wondering if something like this existed.”
“But yeah, it's quite cool.”
“that's what makes it so lean (it doesn't really pull in anything)”
“It looks to me like a convenience tool. Which is fine, but i see no need for it myself”
“this adds a bit more functionality. Maybe some if it you'll find useful”
“I like the limited script and am glad it was posted”
“might be worth considering a rename to avoid the confusion”
“It's pretty lightweight if that helps”
“I have added quite a lot of functionality beyond listing and killing ports. Please check out the readme, it may convince you to try it out.”
“I am absolutely installing this and starting to use it daily!”
“love this, happens too often”
“It's not just about listing running ports, but a tool for managing them.”
“not sure why a whole cli app is needed”
“So I built this lightweight CLI. Single binary, no dependencies.”
“Runs entirely on your Mac. Nothing leaves the device. Ever.”
“I have recently tried sonar and bevel to track my health but they are just charts.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.