Editing Portal:Perl Powered Programs (PPP) (section)

== GUI / Web Applications ==

=== Blogging / Publishing ===

* Movable Type (https://movabletype.org/) - long-running commercial blogging and publishing system built around Perl
* Dada Mail (https://dadamailproject.com/) - web-based mailing list manager written in Perl

=== Content Management Systems / Wikis / Collaboration ===

* ShinyCMS (https://github.com/denny/ShinyCMS) - CMS built in Perl using Catalyst
* Foswiki (https://foswiki.org/About/WebHome) - Perl-based enterprise wiki and collaboration platform
* IkiWiki (https://ikiwiki.info/) - wiki compiler / static site generator written in Perl
* Bugzilla (https://www.bugzilla.org/) - long-running bug tracking system, historically important and still maintained
* Request Tracker / RT (https://bestpractical.com/request-tracker) - enterprise ticketing and workflow system
* OTRS / ((OTRS)) Community Edition (https://otrs.com/) - historically important Perl-based help desk, customer service, and IT service management ticketing system. The former open source Community Edition ended after the 6.x line; modern open source continuation is mainly through forks such as Znuny and OTOBO.
* Znuny (https://www.znuny.org/) - Perl-based help desk / ITSM system descended from the OTRS ecosystem

=== Business / Institutional Systems ===

* Koha (https://koha-community.org/) - open source integrated library system used by libraries
* LedgerSMB (https://ledgersmb.org/) - open source accounting / ERP system for small and medium businesses

=== Dev/Ops / System Administration ===

* Rex (https://www.rexify.org/<nowiki/>) - use instead of Terraform, Puppet, Ansible, etc. for some automation workflows
* Webmin (https://webmin.com/) - web-based Unix/Linux system administration panel
* Virtualmin (https://www.virtualmin.com/) - hosting control panel built on the Webmin ecosystem
* Usermin (https://www.usermin.com/) - web-based user account / mail / shell management from the Webmin family
* Proxmox VE (https://github.com/proxmox) - major open source virtualization platform; the backend uses Perl heavily alongside Rust, JavaScript, and C
* Netdisco (https://netdisco.org/) - web-based network discovery and management tool using SNMP, CLI, and device APIs
* MySQLTuner (https://github.com/major/MySQLTuner-perl) - widely used MySQL/MariaDB/Percona tuning and diagnostics script written in Perl

=== Email / Mail Filtering / Mail Archives ===

* Apache SpamAssassin (https://spamassassin.apache.org/) - widely deployed anti-spam platform written in Perl
* Sympa (https://www.sympa.community/) - scalable mailing list manager
* MHonArc (https://mhonarc.org/) - Perl mail-to-HTML converter and mail archive generator
* Dada Mail (https://dadamailproject.com/) - mailing list manager for announcement and discussion lists

=== Monitoring / Logging / Statistics ===

* AWStats (https://awstats.sourceforge.io/) - web, streaming, FTP, and mail log analyzer
* Munin (https://munin-monitoring.org/) - networked resource monitoring and graphing tool
* SmokePing (https://oss.oetiker.ch/smokeping/) - latency measurement and graphing tool
* MRTG (https://oss.oetiker.ch/mrtg/) - Multi Router Traffic Grapher; classic network traffic graphing tool written in Perl and C

=== Editors & IDEs ===

* Kephra (https://kephra.sourceforge.net/site/en/home_news.shtml) - wxPerl-based editor
* Padre (https://padre.perlide.org/) - Perl IDE

=== Link Aggregation ===

* Links (https://codeberg.org/gandalf/Links)

=== Virtualization / VPS / Hosting Control Panels ===

* Proxmox VE (https://github.com/proxmox) - open source virtualization and container platform with a Perl-heavy backend
* cPanel/WHM (https://cpanel.net) - commercial webhosting control panel; historically Perl-heavy and still ships/supports Perl environments
* Webmin / Virtualmin (https://webmin.com/) - web-based server administration and hosting management

=== Scientific / Visualization Tools ===

* Circos (https://circos.ca/) - visualization tool widely used for genomics and circular data visualization