NTM: Useful tool for limited pay-plan of Internet users

Network Traffic Monitor

NTM (Network Traffic Monitor) is a monitor of the network and internet traffic for Linux.
Features: 

• Choice of the interface to monitoring.
• Period to monitoring: Day, Week, Month, Year or Custom Days. With autoupdate.
• Threshold: Autodisconnection if a limit is reached (by NetworkManager).
• Traffic Monitoring: Inbound, outbount and total traffic; Show the traffic speed.
• Time Monitoring: Total time of connections in the period.
• Time Slot Monitoring: Number of sessions used.
• Reports: Show of average values and daily traffic of a configurable period.
• Online checking with NetworkManager or by "Ping Mode".
• The traffic is attributed to the day when the session began.
• Not need root privilege.
• Not invasive, use a system try icon.

NTM is useful for the people that have a internet plan with a limit, and moreover the exceed traffic is expensive.