Heavily featured variant, with revision control, templates, category tables, authorization based on groups, automatic email notification of changes, file attachments.

A single-file implementation of the original Wiki concept created by WardCunningham. With flatfile database and numerous patches to extend feature set.

Fork of TWiki in response to the commercialisation of that product. Site provides community and developer information, extensions, and support.

A wiki clone "for regular people", based on templates and designed for ease of localization.

A Perl toolkit for developing wikis.

Wiki Perl module published at CPAN. No test suite and no longer updated since 2002.

Modularized descendant of UseModWiki with limited weblog support, used on Technomanifestos.net. GPL. No longer developed since 2002.