Most of them would have moved onto Perl web frameworks. Rough timeline would be: Perl --> cgi \--> mod_perl \--> Mason \-->

Most of them would have moved onto Perl web frameworks. Rough timeline would be: Perl --> cgi \--> mod_perl \--> Mason \--> CGI::Application \--> Maypole --> Catalyst \--> Jifty \--> Mojolicious \--> Dancer \--> Squatting \--> Continuity \--> PSGI / Plack [works with all the above]