With the help of Bandwidth Meters You can know Your network activity. You will know the amount of downloaded data,Uploaded data, or total amount of both with the help of Bandwidth meters. Also You will know about the average download speed,average upload speed with the help of bandwidth meters.
Using the Alerts feature, Bandwidth Meters can notify you when you have uploaded/downloaded a certain amount of data, or if your speed goes above or below any limit that you specify.
Suppose your ISP put a total Download/Upload limit to 20 GB per month. Then you can enter these details in Bandwidth meters. Then they will warn you when you approach your limit. Bandwidth Meters work with all types of network connections: phone modems, ADSL, ISDN, DSL, cable modem, LAN, satellite, and more.
Some Bandwidth meters helps you to be protected against network threats.
Now I will introduce you about two Bandwidth Meter Softwares.
Bitmeter 2 is a free Bandwidth Meter software. Bitmeter 2 is given away completely free of charge, there is no trial period, no time-limited features, no spyware, and no adware. Bitmeter 2 requires version 1.1 or later of the Microsoft .NET framework to be installed.
After installing the Software, Rightclick the Bitmeter Icon on the System Tray then choose Statistics Grid option then you will get network activity details like this.
We can set Alerts also. You will get the Alerts option by rightclicking the Bitmeter Icon on the system tray. You can set download,upload alerts as you like. Suppose if you set a download alert for 1 MB. Then it will alert you by displaying a message and by playing a sound when you exceeds your download size of 1 MB like this.
Now I will tell about second one DU Meter. DU Meter is an award winning utility from Hagel Technologies. DU Meter helps you to be protected against network threats also. Remaining Features will be almost same as above.
But this is not a freeware. This is a Shareware program. For one month you can use it freely. After one month for the program to work you have to purchase it.
Download DU Meter