1.OS方面：Redhat Linux www.redhat.com
Mandrake linux www.mandrakelinux.com
debian linux www.debian.org
slackware linux www.slackware.com
FreeBSD www.freebsd.org
openbsd www.openbsd.org
Solaris www.sun.com/solaris
2.www server:Apache www.apache.org
aol server www.aolserver.com
3.语言PHP www.php.net Zend www.zend.com
Java www.javasoft.com
Python www.python.org Zope www.zope.org
Perl www.perl.org
Ruby www.ruby-lang.org/en
tcl/tk www.tcl.tk
4.数据库:MySQL www.mysql.com
PostgreSQL www.postgresql.org
Oracle www.oracle.com
sap db www.sapdb.org
5.FTP---wu-ftpd www.wu-ftpd.org
Proftpd www.proftpd.org
Pure-ftpd www.pureftpd.org (如果http上不去-请试试ftp://ftp.pureftpd.org)
ncftpd www.ncftpd.com
vsftpd vsftpd.beasts.org
6.SMTP--Sendmail www.sendmail.org
qmail www.qmail.org
Postfix www.postfix.org
Exim www.exim.org
POP3--qpopper www.qpopper.org
7.IMAP Cyrus-IMAPD http://asg.web.cmu.edu/cyrus/imapd/
UW IMAP http://www.washington.edu/imap/
courierimap http://www.inter7.com/courierimap/ (下载上不去请去http://sourceforge.net
/projects/courier/）
webmail squirrelmail http://sourceforge.net
/projects/squirrelmail/
CVS--CVS www.cvshome.org
DNS域名解析--BIND http://www.isc.org/products/BIND/
DHCP--DHCP http://www.isc.org/products/DHCP/
INN新闻组--INN http://www.isc.org/products/INN/
Proxy代理缓存— Squid www.squid-cache.org
Unix与其他OS互连— Samba www.samba.org
Print CUPS www.cups.org
SSL库 Openssl-- www.openssl.org
Apache SSL模块Mod_ssl www.modssl.org
SSH OpenSSH-- www.openssh.org
LDAP OpenLDAP-- www.openldap.org
流量分析 MRTG www.mrtg.org 日志分析 webalizer http://www.mrunix.net/webalizer/
Ipsec/VPN www.freeswan.org
路由 Zebra www.zebra.org
集群 LVS www.linuxvirtualserver.org MPICH www-unix.mcs.anl.gov/mpi/mpich/
Rsync Rsync -- rsync.samba.org
firewall Iptables www.iptables.org shorewall www.shorewall.net IP Filter http://coombs.anu.edu.au/~avalon/
Linux Kernel内核-- www.kernel.org
PHPMyadmin -- www.phpmyadmin.org
系统设置 Linuxconf www.solucorp.qc.ca/linuxconf/ webmin www.webmin.com
Servlets/JSP引擎 Tomcat--jakarta.apache.org
Resin -- www.caucho.com
开源应用服务器AS--Jboss -- www.jboss.org
Enhydra -- www.enhydra.org
基本安全工具chkrootkit www.chkrootkit.org nmap http://www.insecure.org/nmap/ Tripwire www.tripwire.org snort www.snort.org nessus http://www.nessus.org/ GnuPG www.gnupg.org
Bastille www.bastille-linux.org
其他开源软件如GCC,BASH等可见www.gnu.org,如http://ftp.gnu.org/gn...rge/phpmyadmin/