libc++abi is another implementation of low level support for a standard C++ library.

This package provides exwm-mff-mode. With the minor mode enabled the pointer (mouse) always follows the current window when changing it using the keyboard.

Polymorphic Types are opaque data types that are designed as generic containers of data that can be safely passed around between blocks and threads in GNU Radio. Part of the main gnuradio build.

Library of blocks that implement UDP and TCP source and sink blocks supporting both IPv4 and IPv6. Part of the main gnuradio build.

Library of filter blocks used in gnuradio. Implements FIR, IIR and FFT filters, as well as Polyphase filterbank and PFB arbitrary resampler methods. Part of the main gnuradio build.

ZBar is a library for scanning and decoding bar codes from various sources such as video streams, image files or raw intensity sensors. It supports EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2 of 5 and QR Code.