NetWorker 是一款Mac上的网络监控工具，可以实时监控当前的上传和下载速度，支持有线或无线，很不错！
[NetWorker 在官网上售价0.99美元]
软件介绍
NetWorker is a lightweight and easy-to-use tool that shows either the current download and upload speed or the session traffic of your network adapter. The information is shown in a small view in your menu bar.
Features
You can switch between three modes: speed, traffic, or speed/traffic
You can choose the network adapter to observe, so both wired and wireless adapters are supported
Adjustable refresh interval
Support for auto-start
软件截图
