leftopen
See what your tools left running on localhost. Native macOS menu-bar app and CLI.
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GITHUB · launched Sep 16, 2026 · 38 upvotes (top 22%) · 2 views
Niche: macos menu bar utilities · 312 launches, 20 in the last 7 days ▼ -33% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 312 launches in macos menu bar utilities →
Could you build this?
Yes It is a native menu-bar app and CLI that inspects open network ports on localhost using standard OS utilities (like lsof/procfs) and displays them in a clean UI.
Competitors
Other products that read as similar to this one : 651 launches clear the similarity bar, closest 8 shown.
Attention rank: #185 of 652 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 268 days after the earliest competitor.
- MacUp · hn · 2026-09-27 · 6 upvotes · similarity 0.61
- portkill · github · 2026-09-25 · 64 upvotes · similarity 0.56
- macOS menu-bar manager for SSH port forwards · hn · 2026-07-23 · 45 upvotes · similarity 0.56
- Menubloom · ph · 2026-11-10 · 3 upvotes · similarity 0.56
- CleanBar – Menu Bar Manager · ph · 2026-11-10 · 2 upvotes · similarity 0.53
- Termini · hn · 2026-05-15 · 6 upvotes · similarity 0.53
- sidelet · ph · 2026-10-02 · 1 upvotes · similarity 0.52
- Port Tools · ph · 2026-09-10 · 1 upvotes · similarity 0.51
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.