| pl | Entry point for loading all PL libraries only on demand, into the global space. |
| pl.Set | A Set class. |
| pl.app | Application support functions. |
| pl.array2d | Operations on two-dimensional arrays. |
| pl.class | Provides a reuseable and convenient framework for creating classes in Lua. |
| pl.compat | Lua 5.1/5.2/5.3 compatibility. |
| pl.comprehension | List comprehensions implemented in Lua. |
| pl.config | Reads configuration files into a Lua table. |
| pl.data | Reading and querying simple tabular data. |
| pl.dir | Listing files in directories and creating/removing directory paths. |
| pl.file | File manipulation functions: reading, writing, moving and copying. |
| pl.func | Functional helpers like composition, binding and placeholder expressions. |
| pl.import_into | PL loader, for loading all PL libraries, only on demand. |
| pl.input | Iterators for extracting words or numbers from an input source. |
| pl.lapp | Simple command-line parsing using human-readable specification. |
| pl.lexer | Lexical scanner for creating a sequence of tokens from text. |
| pl.luabalanced | Extract delimited Lua sequences from strings. |
| pl.operator | Lua operators available as functions. |
| pl.path | Path manipulation and file queries. |
| pl.permute | Permutation operations. |
| pl.pretty | Pretty-printing Lua tables. |
| pl.seq | Manipulating iterators as sequences. |
| pl.sip | Simple Input Patterns (SIP). |
| pl.strict | Checks uses of undeclared global variables. |
| pl.stringio | Reading and writing strings using file-like objects. |
| pl.stringx | Python-style extended string library. |
| pl.tablex | Extended operations on Lua tables. |
| pl.template | A template preprocessor. |
| pl.test | Useful test utilities. |
| pl.text | Text processing utilities. |
| pl.types | Dealing with Detailed Type Information |
| pl.url | Python-style URL quoting library. |
| pl.utils | Generally useful routines. |
| pl.xml | XML LOM Utilities. |