http://www.magnesium.net/ - Server: ???
Services: ???

http://cyberunners.org/ - Server: Linux
Services: IPv6, PHP, MySQL, personal subdomain, gcc, IRC access with eggdrop, BitchX, e-mech, one background processes allowed (quota: 10Mb)

http://www.jvds.com/freeshells/ - Server: ???
Services/Info: No irc, Quota: 6Mb (shared between mail and web)

http://www.unixdaemons.com/ - Server: FreeBSD
Services/Info: mail, webspace, perl... (quota 12Mb)

http://www.polarhome.com/ - Server: Linux/RedHat, Linux/Debian, OpenVMS/Alpha, OpenVMS/VAX, Solaris, Ultrix, OpenBSD, FreeBSD, NetBSD, HPUX, AIX
Services/Info: Polarhome.com is non commercial, educative effort for popularization of shell enabled operating systems and Internet services, offering shell accounts and other services on all available systems.

http://shells.thinkgeek.co.uk - Server: Linux/Debian
Services/Info: Mail, gcc, perl, php, eggdrop...

http://www.silenceisdefeat.org/ - Server: OpenBSD
Services/Info: 50MB storage space, http access (http://silenceisdefeat.org/~username), ftp access, ssh, telnet, and communication programs such as IRC, AIM, MSN, ICQ, Lily, and email.

http://www.zsuatt.com/ - Server: linux
Services/Info: public_html, php,cgi-bin on request, 3bg procesess, 50mb space , eggdrop allowed, access to compilers , bitchx, ftp , ssh access, and a lot of more...