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GNU cflow analyzes a collection of C source files and prints a graph charting control flow within the program. Current implementation is able to produce both direct and inverted flowgraphs for C sources. Optionally a cross-reference listing can be generated. Two output formats are implemented: POSIX and GNU (extended). Input files can optionally be preprocessed before analyzing.

The jcmdline package is a Java package with the following goals: * Facilitate parsing/handling of command line parameters. * Add consistency to command line parameter parsing and command usage display through all executables of a Java application. * Automatically generate a command usage based upon defined command line parameters.

Gzstream is a small C++ library, basically just a wrapper, that provides the functionality of the zlib C-library in a C++ iostream. It is freely available under the LGPL license. Gzstream has been written by Deepak Bandyopadhyay and Lutz Kettner at the Computational Geometry Group at UNC Chapel Hill.

The 'Par' monad offers a parallel programming API based on dataflow programming. To use the `Par` monad, install the monad-par package, which includes this package as a dependency. This package is an abstract interface only. It provides a number of type clasess, but not an implementation. The type classes separate different levels of @Par@ functionality.

Alex is a tool for generating lexical analysers in Haskell. It takes a description of tokens based on regular expressions and generates a Haskell module containing code for scanning text efficiently. It is similar to the tool lex or flex for C/C++.

A common problem is the desire to have an action run at a scheduled interval, but only if it is needed. This library allows you to define actions which will either be performed by a dedicated thread or, in times of low volume, will be executed by the calling thread.

A simple directory-like tree datatype, with useful IO functions and Foldable and Traversable instance. Provides a simple data structure mirroring a directory tree on the filesystem, as well as useful functions for reading and writing file and directory structures in the IO monad.

The haskell-src package provides support for manipulating Haskell source code. The package provides a lexer, parser and pretty-printer, and a definition of a Haskell abstract syntax tree (AST). Common uses of this package are to parse or generate Haskell 98 code.

hslogger is a logging framework for Haskell, roughly similar to Python's logging module. hslogger lets each log message have a priority and source be associated with it. The programmer can then define global handlers that route or filter messages based on the priority and source. hslogger also has a syslog handler built in.

This library provides a quick-and-dirty (but often effective) method for extending Haskell's syntax using a custom preprocessor. It parses Haskell into a bare-bones AST with just enough knowledge of the syntax to preserve nesting, and then allows transformations on the AST.