SmokePing
Source: http://oss.oetiker.ch/smokeping/
SmokePing keeps track of network latency:
- Best of breed latency visualization.
- Interactive graph explorer.
- Wide range of latency measurement plugins.
- Master/Slave System for distributed measurement.
- Highly configurable alerting system.
- Live Latency Charts with the most ‘interesting’ graphs.
- Free and OpenSource Software written in Perl written by Tobi Oetiker, the creator of MRTG and RRDtool
SmokeTrace
Source: http://oss.oetiker.ch/smokeping/doc/smoketrace.en.html
SmokeTrace allows users to traceroute targets directly from NetRiver.
Note: This tool has problems with Internet Explorer. We suggest you use Firefox or Google Chrome.
RWhois
Source: http://projects.arin.net/rwhois/
RWhois is Referral Whois, an application protocol for querying of distributed databases of Internet domain names, address allocations, and other directory information.




