
Port Monitor
MacMonitor
Open Ports
See what's exposed. The macOS menu bar app that shows every open port, tunnel, VPN, and container — before it's a problem.

GitLab
BitBucket
VS Code
Git
CodePen
Node.js
Stack Overflow
Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

Which is more popular?
Based on our record, GitHub seems to be more popular. It has been mentioned 2487 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | bosun.dev | github.com |
| Pricing | ||
| Company | — | Startup from the United States · 500 - 999 employees · 2008 |
| Listed in |
In their own words, as submitted to SaaSHub.


Bosun is a native macOS menu bar app that shows you everything your Mac has open to the network, right when you need it, with no Terminal digging required. It runs lsof in the background to list every listening port, then goes further than a simple port scanner: it maps each port to the process...
No description of GitHub yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Bosun.dev and GitHub.
Bosun.dev's answer
Swift 5.9+, SwiftUI + AppKit (NSStatusItem), lsof for port scanning, Sparkle for auto-updates, Polar for licensing/payments. No Electron, no third-party dependencies beyond Sparkle.
Bosun.dev's answer
Developers who run local dev servers, Docker containers, and tunnels (ngrok/Cloudflare) daily and need instant visibility into what's bound to which port, without opening Terminal or Activity Monitor.
Bosun.dev's answer
Bosun is the only menu bar tool that unifies port scanning with network context: it maps ngrok/Cloudflare tunnels, native VPN status, Docker containers, and SSH -L forwards to the process actually holding each port, then lets you kill it in one click. Most alternatives only do one of those things.
Bosun.dev's answer
iStat Menus monitors the system but not tunnels or containers. Little Snitch blocks connections but doesn't show you what's already running. Seeports comes closest (port scanning for Docker/K8s/dev servers) but lacks tunnel and VPN detection. Bosun covers all of it natively, with zero third-party dependencies, no Electron overhead, and a one-time price instead of a subscription.
Bosun.dev's answer
Built out of a personal need: constantly losing track of which local dev server, Docker container, or forgotten tunnel was holding a port, and resorting to lsof in Terminal every time. Bosun turns that into a native, always-visible menu bar view.
Share your experience with using Bosun.dev and GitHub. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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GitHub is an essential platform for modern software development. It makes it easy to host, manage, and collaborate on code while providing powerful tools for version control, project management, and team...
GitHub Discussions is a communication forum for the community around an open source or internal project. Discussions enable fluid, open conversation in a public forum. Discussions are transparent and accessible, but...
However, like any (human) product, the platform has its limits, downsides, and critics. GitHub has been barred by certain governments, and even if that isn’t exactly the company’s fault, the users are the ones limited...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Bosun.dev since Jul 2026.
Github hosts the open source server and client libraries. Github actions are used to build and deploy many of the various packages. There is also a private Github repository holding all the Cloudflare integrations. - Source: dev.to / about 5 hours ago
Fatal: could not read Username for 'https://github.com'. - Source: dev.to / 1 day ago
Check out the full open-source architecture here: Https://github.com. - Source: dev.to / 1 day ago
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