Gentoo Linux has a maintained Alpha port.
Until Debian Lenny, Debian maintained an Alpha port. Support for Alpha is now maintained as part of Debian Ports.
Many Linux distributions once supported Alpha, but do not any longer or have been discontinued. The following lists distributions who supported Alpha in the past and the last Alpha-supporting release.
FreeBSD also discontinued their Alpha port after the 6.x series.
The Alpha/Linux Kernel mailing list is hosted at vger.kernel.org. To subscribe, send an email to majordomo@vger.kernel.org with a blank subject line with body subscribe linux-alpha. Archives are located on lore.kernel.org and marc.info.
Both Gentoo and Debian have distribution-related Alpha mailing lists.
A once popular mailing list for Alpha Linux users is the axp-list hosted by Red Hat. Its archives still hold much valuable information.
While not pertaining to Linux, Alpha hardware information may be found in the FreeBSD Alpha, NetBSD Alpha, OpenBSD Alpha mailing lists.
A general Alpha discussion channel exists at #alpha on Libera. Also, a Gentoo oriented channel exists at #gentoo-alpha, also on Libera.
Gentoo has a Gentoo on Alternative Architectures forum.
A few newsgroups exist for Alpha users, namely
While not pertaining to Linux or Alpha, hardware information may be found in the comp.sys.vms and comp.unix.tru64 newsgroups.