Persistent::Oracle is a persistent class implemented using an Oracle database.

Persistent::DBI is an Abstract Persistent Class implemented using a DBI Data Source.

Persistent::LDAP is a persistent class implemented using a LDAP directory.

Object::Realize::Later is a Perl module with delayed creation of objects.

Object::Trampoline is a Perl module for delay object construction.

Object::Mediator is a generic object persistence framework.

Persistent::Base is an Abstract Persistent Base Class.

Object::AutoAccessor is an accessor class by using AUTOLOAD.

Object::InsideOut is a comprehensive inside-out object support module.

Yasper (Yet Another Smart Pointer) is a sweet and simple single-header smart pointer for C++.

List::Pairwise is a Perl module with map/grep arrays and hashes pairwise.

List::Part is a Perl module that allows you to partition one array into several.

List::Comprehensions is a Perl module that allows for list comprehensions in Perl.

List::MRU is a Perl module that implements a simple fixed-size MRU-ordered list.

Iterator::Util Perl package contains essential utilities for the Iterator class.

Lexical::Persistence is a Perl module for persistent lexical variable values for arbitrary calls.

JoSQL (SQL for Java Objects) provides the ability for a developer to apply a SQL statement to a collection of Java Objects.

Iterator::BreakOn is a Perl module to create iterators with control flow breaks.

Iterator::Misc Perl module package contains miscellaneous iterator functions.

Hash::NoVivify is a Perl extension for non-vivifying exists and defined functions.

Iterator is a general-purpose iterator class.

Grid::Transform is a Perl module with fast grid transformations.

Hash::Case is a base class for hashes with key-casing requirements.

Geo::KML::PolyMap is a Perl module to generate KML/KMZ-format choropleth (shaded polygonal) maps viewable in Google Earth.

Geo::Spline is a Perl module to calculate geographic locations between GPS fixes.