| packages/nixpkgs/perl538Packages.TestTCP | Testing TCP program |
| packages/nixpkgs/perl538Packages.TestUNIXSock | Testing UNIX domain socket program |
| packages/nixpkgs/perl538Packages.ProcDaemon | Run Perl program(s) as a daemon process |
| packages/nixpkgs/perl538Packages.AppMusicChordPro | Lyrics and chords formatting program |
| packages/nixpkgs/perl538Packages.TestRunValgrind | Tests that an external program is valgrind-clean |
| packages/nixpkgs/perl538Packages.StringToIdentifierEN | Convert Strings to English Program Identifiers |
| packages/nixpkgs/perl538Packages.SymbolGet | Read Perl's symbol table programmatically |
| packages/nixpkgs/perl538Packages.meta | Meta-programming API |
| packages/nixpkgs/perl538Packages.IOAsync | Asynchronous event-driven programming |
| packages/nixpkgs/perl538Packages.AnyEvent | DBI of event loop programming |
| packages/nixpkgs/perl538Packages.BioExtAlign | Write Perl Subroutines in Other Programming Languages |
| packages/nixpkgs/perl538Packages.Inline | Write Perl Subroutines in Other Programming Languages |
| packages/nixpkgs/perl538Packages.Paranoid | General function library for safer, more secure programming |
| packages/nixpkgs/perl538Packages.AppCLI | Dispatcher module for command line interface programs |
| packages/nixpkgs/perl538Packages.Expect | Automate interactions with command line programs that expose a text terminal interface |
| packages/nixpkgs/perl538Packages.TestExpect | Automated driving and testing of terminal-based programs |
| packages/nixpkgs/perl538Packages.TestPerlCritic | Use Perl::Critic in test programs |
| packages/nixpkgs/perl538Packages.CaptureTiny | Capture STDOUT and STDERR from Perl, XS or external programs |
| packages/nixpkgs/perl538Packages.AppFatPackerSimple | A simpler way to fatpack perl programs |
| packages/nixpkgs/perl538Packages.ServerStarter | Superdaemon for hot-deploying server programs |
| packages/nixpkgs/perl538Packages.commonsense | Implements some sane defaults for Perl programs |
| packages/nixpkgs/perl538Packages.HTMLFormatExternal | HTML to text formatting using external programs |
| packages/nixpkgs/perl538Packages.TestWWWMechanizePSGI | Test PSGI programs using WWW::Mechanize |
| packages/nixpkgs/perl538Packages.NetDNSResolverProgrammable | Programmable DNS resolver class for offline emulation of DNS |