Recognizing the need to write reactor-based GUI applications, the ACE community has created several reactor extensions for use with X Window System. Each of these extends the ACE_Select_Reactor to work with a specific toolkit. By using these reactors, your GUI application can remain single threaded yet still respond to both GUI events, such as button presses, and your own application events.

Mozilla::CA provides a copy of Mozilla's bundle of Certificate Authority certificates in a form that can be consumed by modules and libraries based on OpenSSL.

Future::XS provides an XS-based implementation of the Future class. It is currently experimental and shipped in its own distribution for testing purposes, though once it seems stable the plan is to move it into the main Future distribution and load it automatically in favour of the pureperl implementation on supported systems.

Python Library that provides assertion functions for Test-driven Development and Behavior-Driven Development.

postgresql-unit implements a PostgreSQL datatype for SI units, plus byte. The base units can be combined to named and unnamed derived units using operators defined in the PostgreSQL type system. SI prefixes are used for input and output, and quantities can be converted to arbitrary scale.

Some channel oriented processing blocks. These functions are also in gnuradio-core. Part of the main gnuradio build.