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Rose::URI is an alternative to URI. It provides a rich set of query string manipulation methods. Query parameters can be added, removed, and checked for their existence. URI allows the entire query to be set or returned as a whole via the query_form or query methods, and the URI::QueryParam module provides a few more methods for query string manipulation.

Validate::Net is a class designed to assist with validation internet related strings. It can be used to validate CGI forms, internally by modules, and in any place where you want to check that an internet related string is valid before handing it off to a Net::* class. Whenever a test is false, you can access the reason through the reason method.

The packetdrill scripting tool enables quick, precise tests for entire TCP/UDP/IPv4/IPv6 network stacks, from the system call layer down to the NIC hardware. packetdrill currently works on Linux, FreeBSD, OpenBSD, and NetBSD. It can test network stack behavior over physical NICs on a LAN, or on a single machine using a tun virtual network device.

Python MQTT version 3.1/3.1.1 client class The MQTT protocol is a machine-to-machine (M2M)/"Internet of Things" connectivity protocol. Designed as an extremely lightweight publish/subscribe messaging transport, it is useful for connections with remote locations where a small code footprint is required and/or network bandwidth is at a premium.

Pcapy is a Python extension module that interfaces with the libpcap packet capture library. Pcapy enables Python scripts to capture packets on the network. Pcapy is highly effective when used in conjunction with a packet-handling package such as Impacket, which is a collection of Python classes for constructing and dissecting network packets.

RSerPool client/server API library for load distribution and Reliable Server Pooling (RSerPool) is the IETF's standard (RFC 5351 to RFC 5356) for a lightweight server pool and session management framework. It provides highly available pool management (that is registration handling and load distribution/balancing) by components called Registrar and a client-side/server-side API for accessing the service of a pool.

This library provides a pure python interface for the Twitter API. Twitter provides a service that allows people to connect via the web, IM, and SMS. Twitter exposes a web services API and this library is intended to make it even easier for python programmers to use.

txrestapi makes it easier to create Twisted REST API services. Normally, one would create Resource subclasses defining each segment of a path; this is cubersome to implement and results in output that isn't very readable. txrestapi provides an APIResource class allowing complex mapping of path to callback (a la Django) with a readable decorator.

ssmping is a tool for checking whether a host can receive SSM from another. If a host runst ssmpingd, users on other hosts can check that they receive from this host by running the ssmping tool. asmping is similar to ssmping, but checks for ASM rather than SSM.

tcpdump is a ubiquitous network traffic capture tool available in a wide variety of BSD, Linux and UN*X distributions. This is the version 3.9.8 which is currently shipped with FreeBSD 7. FreeBSD 8.0 is shipping with version 4.0.0 which gives a different output with some items missing.