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Riemann monitors low-latency, transient shared state for systems with many moving parts. Riemann aggregates events from your servers and applications with a powerful stream processing language. Send an email for every exception raised by your code. Track the latency distribution of your web app. See the top processes on any host, by memory and CPU. Combine statistics from every Riak node in your cluster and forward to Graphite. Send alerts when a key process fails to check in. Know how many users signed up right this second.

ezRADIUS is FreeRADIUS and Chillispot web-based management software package.

The subcalc utility is used for subnet calculation and IPv6 DNS PTR record generation. subcalc takes command line arguments in a similar format to ifconfig(8) so the synopsis should be familiar to the user. Given an address family, address and a netmask/prefix length, subcalc will calculate the number of hosts and address ranges of the specific network.

Given SNMP-capable routers and switches, sdig can turn an IP address, DNS/WINS host name or a MAC address into a port description.

wdiag is a utility to monitor Westell DSL modem diagnostics and line statistics. It reports SNR, Attenuation, etc for the DSL line.

SNMPTT (SNMP Trap Translator) is an SNMP trap handler written in Perl for use with the Net-SNMP. Easy to setup and use.

NagVis is a visualization addon for the well known network managment system Nagios. NagVis can be used to visualize Nagios Data, e.g. to display IT processes like a mail system or a network infrastructure. Key features * Display of single Hosts and Services * Visualize a complete Host- or Servicegroup with one icon * Display the summary state of a Host and all its services * Display only the real problems * Sub-map icons which represent a complete NagVis Map in one icon * Visualization of complete IT processes using self drawn graphics * Online documentation of IT environments including current states * Multilingual capabilities * Web configuration interface (WUI)

Torrus is designed to be the universal data series processing framework. Although most users deploy Torrus for SNMP monitoring, it might be useful for data series of any nature. Tobi Oetiker's RRDtool is used for data storage. * Configuration compiler and validator. It processes the XML configuration files and saves the configuration into a database. * View renderer and the web interface. They generate HTML and the graphical representation of the datasources and provide user authentication and authorization. All generated output is controlled by the configuration parameters and templates. The users can easily create their own presentation of data series. * SNMP Collector. Modular collector core architecture allows further extension with new collector and storage types. Any datasource can have its own polling schedule. * SNMP Device Discovery Tool. Devdiscover is a new, modular, flexible, and expandable tool for automatic generation of Torrus configuration files. New device types and MIBs are easily added as independent Perl modules. * Threshold monitor. All data, regardless of their type and nature, can be monitored according to the user-defined rules. The rules can also include the datasource-specific parameters, e.g. boundary values etc. The thresholds are specified by RPN expressions.

VictorOps is an on-call management and incident notification service. This is the Nagios/Icinga integration package for VictorOps.

Virt Viewer provides a graphical viewer for the guest OS display. At this time is supports guest OS using the VNC protocol. Further protocols may be supported in the future as user demand dictates. The viewer can connect directly to both local and remotely hosted guest OS, optionally using SSL/TLS encryption.