SLEPc is the Scalable Library for Eigenvalue Problem Computations.

Included from the libest examples/ directory, these tools are fully featured implementations of EST server and client.

TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability.

This package provides an ACE addon library for clients (and possibly servers at some point) using Inet protocols which support SSL, such as HTTPS or FTPS.

The gnuradio interface to the UHD library to connect to and send and receive data between to the Ettus Research, LLC product line - including the USRP family of software radio peripheral devices. Part of the main gnuradio build.

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