软件链接

Keepalived for Linux Virtual Server
http://www.keepalived.org/

GNUPlot
http://www.gnuplot.info/

R-Project
http://www.r-project.org/

harmony
http://www.seas.upenn.edu/~harmony/

Unison File Synchronizer
http://www.cis.upenn.edu/~bcpierce/unison/

一个开源的虚拟机软件
http://www.virtualbox.org/

http://leputty.sourceforge.net/

http://www.planetplanet.org/
Planet is an awesome ‘river of news’ feed reader. It downloads news feeds published by web sites and aggregates their content together into a single combined feed, latest news first.

http://sourceware.org/frysk/
The goal of the frysk project is to create an intelligent, distributed, always-on system monitoring and debugging tool that allows developers and system administrators to monitor running processes and threads (including creation and destruction events), monitor the use of locking primitives, expose deadlocks, gather data and debug any given process by either choosing it from a list or by accepting frysk’s offer to open a source code or other window on a process that is in the process of crashing or that has been misbehaving in certain user-definable ways.

http://www.memtest86.com/
A comprehensive, stand-alone memory diagnostic.

http://www.dest-unreach.org/socat/

Socat is a relay for bidirectional data transfer between two independent data channels. Each of these data channels may be a file, pipe, device (terminal or modem, etc.), socket (Unix, IP4, IP6 - raw, UDP, TCP), SSL, a client for SOCKS4, or proxy CONNECT. It supports broadcasts and multicasts, abstract Unix sockets, Linux tun/tap, GNU readline, and PTYs. It provides forking, logging, and dumping and different modes for interprocess communication. Many options are available for tuning socat and its channels. Socat can be used, for example, as a TCP relay (one-shot or daemon), as a daemon-based socksifier, as a shell interface to Unix sockets, as an IP6 relay, or for redirecting TCP-oriented programs to a serial line.

http://haproxy.1wt.eu/
The Reliable, High Performance TCP/HTTP Load Balancer

http://expect.nist.gov/

http://www.intersectalliance.com/projects/Snare/

http://spread.org/

http://www.inlab.de/balance.html

http://www.fail2ban.org/