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Eventlet is a networking library written in Python. It achieves high scalability by using non-blocking IO while at the same time retaining high programmer usability by using coroutines to make the non-blocking IO operations appear blocking at the source code level.

Python module for the libnet packet construction library

HexInject is a very versatile packet injector and sniffer, that provide a command-line framework for raw network access. It's designed to work together with others command-line utilities, and for this reason it facilitates the creation of powerful shell scripts capable of reading, intercepting and modifying network traffic in a transparent manner.

This program is a simple tool for recording VNC sessions. Make no mistake: it is hacked together and very ugly. But it does the job.

Rsync-bpc is a customized version of rsync that is used as part of BackupPC, an open source backup system. The main change to rsync is adding a shim layer that emulates the system calls for accessing the file system so that rsync can directly read/write files in BackupPC's format. Rsync-bpc is fully line-compatible with vanilla rsync, so it can talk to rsync servers and clients. Rsync-bpc serves no purpose outside of BackupPC.

This is a server daemon, port scanner and (optionally) clients for FSP, the File Service Protocol. FSP is lightweight and connectionless. It is typically used for offering files to "anonymous" visitors over a congested link. It uses UDP rather than TCP sockets. A service contact port (well-known port) for FSP has not been assigned by IANA (per RFC 1700). See <URL:http://www.faqs.org/faqs/fsp-faq/> for an overview. To use fspd, you must copy the fspd.conf.sample file, normally installed in /usr/local/etc/, to fspd.conf and edit it. You can run fspd from inetd or stand-alone.

This project contains all the necessary code to connect, send and receive messages to/from an AMQP-compliant peer or broker (Qpid, OpenAMQ, RabbitMQ) using Twisted. It also includes support for using Thrift RPC over AMQP in Twisted applications.

Paraphrasing the original (2.0) website: ZSI, the Zolera SOAP Infrastructure, is a Python package that provides an implementation of SOAP messaging, as described in The SOAP 1.1 Specification. In particular, ZSI parses and generates SOAP messages, and converts between native Python datatypes and SOAP syntax. ZSI, the Zolera SOAP Infrastructure, is a pure Python module that provides an implementation of the SOAP 1.1 specification. Simple client and server support are also provided.

This is a pure-python TCP load balancer. It takes inbound TCP connections and connects them to one of a number of backend servers. Features: - async i/o based, so much less overhead than fork/thread based balancers. Can use either twisted or python's standard asyncore library (twisted is recommended, and asyncore support will be removed in a future version). - Multiple scheduling algorithms (random, round robin, leastconns, leastconns+roundrobin) - If a server fails to answer, it's removed from the pool - the client that failed to connect gets transparently failed over to a new host. - XML based configuration file (see a sample) - separate management thread that periodically re-adds failed hosts if they've come back up. - optional builtin webserver for admin (sample of the running screen) - webserver has methods suitable for both interactive and automated systems

Quagga is a routing software suite, providing implementations of OSPFv2, OSPFv3, RIP v1 and v2, RIPv3, BGPv4 and experemental ISIS for Unix platforms, particularly FreeBSD and Linux and also NetBSD, to mention a few. Quagga is a fork of GNU Zebra which was developed by KunihiroIshiguro. The Quagga tree aims to build a more involved community around Quagga than the current centralised model of GNU Zebra.