AnyDBM_File (3)      - provide framework for multiple DBMs NDBM_File, DB_File, GDBM_File, SDBM_File, ODBM_File - various DBM implementations
AutoLoader (3)       - load subroutines only on demand
AutoSplit (3)        - split a package for autoloading
Benchmark (3)        - benchmark running times of code timethis - run a chunk of code several times timethese - run several chunks of code several times timeit - run a chunk of code and see how long it goes
Bundle::CPAN (3)     - A bundle to play with all the other modules on CPAN
CGI (3)              - Simple Common Gateway Interface Class
CGI::Apache (3)      - Make things work with CGI.pm against Perl-Apache API
CGI::Carp (3)        - CGI routines for writing to the HTTPD (or other) error log
CGI::Fast (3)        - CGI Interface for Fast CGI
CGI::Push (3)        - Simple Interface to Server Push
CGI::Switch (3)      - Try more than one constructors and return the first object available
CPAN (3)             - query, download and build perl modules from CPAN sites
CPAN::FirstTime (3)  - Utility for CPAN::Config file Initialization
CPAN::Nox (3)        - Wrapper around CPAN.pm without using any XS module
Class::Struct (3)    - declare struct-like datatypes as Perl classes
Config (3)           - access Perl configuration information
DB_File (3)          - Perl5 access to Berkeley DB
Devel::SelfStubber (3) - generate stubs for a SelfLoading module
DirHandle (3)        - supply object methods for directory handles
DynaLoader (3)       - Dynamically load C libraries into Perl code dl_error(), dl_findfile(), dl_expandspec(), dl_load_file(), dl_find_symbol(), dl_find_symbol_anywhere(), dl_undef_symbols(), dl_install_xsub(), dl_load_flags(), bootstrap() - routines used by DynaLoader modules
English (3)          - use nice English (or awk) names for ugly punctuation variables
Env (3)              - perl module that imports environment variables
Exporter (3)         - Implements default import method for modules
ExtUtils::Command (3) - utilities to replace common UNIX commands in Makefiles etc.
ExtUtils::Embed (3)  - Utilities for embedding Perl in C/ applications
ExtUtils::Install (3) - install files from here to there
ExtUtils::Liblist (3) - determine libraries to use and how to use them
ExtUtils::MM_OS2 (3) - methods to override UN*X behaviour in ExtUtils::MakeMaker
ExtUtils::MM_Unix (3) - methods used by ExtUtils::MakeMaker
ExtUtils::MM_VMS (3) - methods to override UN*X behaviour in ExtUtils::MakeMaker
ExtUtils::MM_Win32 (3) - methods to override UN*X behaviour in ExtUtils::MakeMaker
ExtUtils::MakeMaker (3) - create an extension Makefile
ExtUtils::Manifest (3) - utilities to write and check a MANIFEST file
ExtUtils::Miniperl, writemain (3) - write the C code for perlmain.c
ExtUtils::Mkbootstrap (3) - make a bootstrap file for use by DynaLoader
ExtUtils::Mksymlists (3) - write linker options files for dynamic extension
ExtUtils::testlib (3) - add blib/* directories to @INC
Fcntl (3)            - load the C Fcntl.h defines
File::Compare (3)    - Compare files or filehandles
File::Copy (3)       - Copy files or filehandles
File::DosGlob (3)    - DOS like globbing and then some perlglob.bat - a more capable perlglob.exe replacement
File::Path (3)       - create or remove a series of directories
File::stat (3)       - by-name interface to Perl's built-in stat() functions
FileCache (3)        - keep more files open than the system permits
FileHandle (3)       - supply object methods for filehandles
FindBin (3)          - Locate directory of original perl script
GDBM_File (3)        - Perl5 access to the gdbm library.
GetOptions (3)       - extended processing of command line options
I18N::Collate (3)    - compare 8-bit scalar data according to the current locale 1 & *** 3 & WARNING: starting from the Perl version 5.003_06 & the I18N::Collate interface for comparing 8-bit scalar data & according to the current locale 1 & HAS BEEN DEPRECATED 4 & That is, please do not use it anymore for any new applications & and please migrate the old applications away from it because its & functionality was integrated into the Perl core language in the & release 5.003_06. 1 & See the perllocale manual page for further information. 1 & ***
IO (3)               - load various IO modules
IO::File (3)         - supply object methods for filehandles
IO::Handle (3)       - supply object methods for I/O handles
IO::Seekable (3)     - supply seek based methods for I/O objects
IO::Select (3)       - OO interface to the select system call
IO::Socket (3)       - Object interface to socket communications
IO::pipe (3)         - supply object methods for pipes
IPC::Open2, open2 (3) - open a process for both reading and writing
IPC::Open3, open3 (3) - open a process for reading, writing, and error handling
Math::BigFloat (3)   - Arbitrary length float math package
Math::BigInt (3)     - Arbitrary size integer math package
Math::Complex (3)    - complex numbers and associated mathematical functions
Math::Trig (3)       - trigonometric functions
NDBM_File (3)        - Tied access to ndbm files
Net::Ping (3)        - check a remote host for reachability
Net::hostent (3)     - by-name interface to Perl's built-in gethost*() functions
Net::netent (3)      - by-name interface to Perl's built-in getnet*() functions
Net::protoent (3)    - by-name interface to Perl's built-in getproto*() functions
Net::servent (3)     - by-name interface to Perl's built-in getserv*() functions
ODBM_File (3)        - Tied access to odbm files
Opcode (3)           - Disable named opcodes when compiling perl code
POSIX (3)            - Perl interface to IEEE Std 1003.1
Pod::HTML (3)        - module to convert pod files to HTML
Pod::Text (3)        - convert POD data to formatted ASCII text
SDBM_File (3)        - Tied access to sdbm files
Safe (3)             - Compile and execute code in restricted compartments
Search::Dict, look (3) - search for key in dictionary file
SelectSaver (3)      - save and restore selected file handle
SelfLoader (3)       - load functions only on demand
Shell (3)            - run shell commands transparently within perl
Socket, sockaddr_in, sockaddr_un, inet_aton, inet_ntoa (3) - load the C socket.h defines and structure manipulators
Symbol (3)           - manipulate Perl symbols and their names
Sys::Hostname (3)    - Try every conceivable way to get hostname
Sys::Syslog, openlog, closelog, setlogmask, syslog (3) - Perl interface to the UNIX syslog|(3) calls
Term::Cap (3)        - Perl termcap interface
Term::Complete (3)   - Perl word completion module
Term::ReadLine (3)   - Perl interface to various readline packages. If no real package is found, substitutes stubs instead of basic functions.
Test::Harness (3)    - run perl standard test scripts with statistics
Text::ParseWords (3) - parse text into an array of tokens
Text::Soundex (3)    - Implementation of the Soundex Algorithm as Described by Knuth
Text::Tabs (3)       - expand and unexpand tabs per the unix expand|(1) and unexpand|(1)
Text::Wrap (3)       - line wrapping to form simple paragraphs
Tie::Hash, Tie::StdHash (3) - base class definitions for tied hashes
Tie::RefHash (3)     - use references as hash keys
Tie::Scalar, Tie::StdScalar (3) - base class definitions for tied scalars
Tie::SubstrHash (3)  - Fixed-table-size, fixed-key-length hashing
Time::Local (3)      - efficiently compute time from local and GMT time
Time::gmtime (3)     - by-name interface to Perl's built-in gmtime() function
Time::localtime (3)  - by-name interface to Perl's built-in localtime() function
Time::tm (3)         - internal object used by Time::gmtime and Time::localtime
UNIVERSAL (3)        - base class for ALL classes (blessed references)
User::grent (3)      - by-name interface to Perl's built-in getgr*() functions
User::pwent (3)      - by-name interface to Perl's built-in getpw*() functions
abbrev (3)           - create an abbreviation table from a list
autouse (3)          - postpone load of modules until a function is used
base (3)             - Establish IS-A relationship with base class at compile time
blib (3)             - Use MakeMaker's uninstalled version of a package
carp (3)             - warn of errors (from perspective of caller) cluck - warn of errors with stack backtrace (not exported by default) croak - die of errors (from perspective of caller) confess - die of errors with stack backtrace
constant (3)         - Perl pragma to declare constants
diagnostics (3)      - Perl compiler pragma to force verbose warning diagnostics splain - standalone program to do the same thing
fileparse (3)        - split a pathname into pieces basename - extract just the filename from a path dirname - extract just the directory from a path
find (3)             - traverse a file tree finddepth - traverse a directory structure depth-first
getcwd (3)           - get pathname of current working directory
getopt (3)           - Process single-character switches with switch clustering getopts - Process single-character switches with switch clustering
integer (3)          - Perl pragma to compute arithmetic in integer instead of double
less (3)             - perl pragma to request less of something from the compiler
lib (3)              - manipulate @INC at compile time
locale (3)           - Perl pragma to use and avoid POSIX locales for built-in operations
ops (3)              - Perl pragma to restrict unsafe operations when compiling
overload (3)         - Package for overloading perl operations
sigtrap (3)          - Perl pragma to enable simple signal handling
strict (3)           - Perl pragma to restrict unsafe constructs
subs (3)             - Perl pragma to predeclare sub names
validate (3)         - run many filetest checks on a tree
vars (3)             - Perl pragma to predeclare global variable names
