The Free Pascal Compiler is an Object Pascal compiler supporting both Delphi and Turbo Pascal 7.0 dialects, as well as Mac Pascal dialects. It provides a completely portable RunTime Library (RTL) available on many platforms and compatible with Turbo Pascal, along with a platform-independent class-based Free Component Library (FCL) adding many Delphi extensions and interfacing with many popular open source libraries.

Pmw is a framework for building high-level compound widgets in Python using the Tkinter interface to the Tk graphics library. It consists of a set of base classes and a library of flexible and extensible megawidgets built on these base classes.

Londiste is a cascaded replication system built on top of PgQ. This extensions contains in-database support code.

libspf2 implements the Sender Policy Framework, a part of the SPF/SRS protocol pair. libspf2 is a library which allows email systems such as Sendmail, Postfix, Exim, Zmailer and MS Exchange to check SPF records and make sure that the email is authorized by the domain name that it is coming from. This prevents email forgery, commonly used by spammers, scammers and email viruses/worms.

App::Yath (Yet Another Test Harness) is an alternative to App::Prove, and Test2::Harness is an alternative to Test::Harness. It is not designed to replace Test::Harness/prove. Test2::Harness is designed to take full advantage of the rich data Test2 can provide. Test2::Harness is also able to use non-core modules and provide more functionality than prove can achieve with its restrictions.

Procedural and simple OO wrapper for rrdtool - data logging and graphing system for time series data.