Packages with the utils use flag

app-emulation / faudio : FAudio - Accuracy-focused XAudio reimplementation for open platforms

app-text / poppler : PDF rendering library based on the xpdf-3.0 code base

  • Install command-line PDF converters and various utilities.

app-text / xpdf : The PDF viewer and tools

dev-libs / elfutils : Libraries/utilities to handle ELF objects (drop in replacement for libelf)

  • Install command-line utilities (all the eu-* programs)

dev-libs / folks : Library for aggregating people from multiple sources

  • Build the folks-inspect utility

dev-libs / fstrm : Frame Streams implementation in C

  • Build fstrm utility programs

dev-libs / glib : The GLib library of C routines

  • Install gtester-report utility to generate test report files for your software; build gresource utility with ELF support.

dev-libs / libnl : Libraries providing APIs to netlink protocol based Linux kernel interfaces

  • Install command line interface utils

dev-libs / libucl : Universal configuration library parser

dev-libs / nss : Mozilla's Network Security Services library that implements PKI support

  • Install utilities included with the library

games-simulation / flightgear : Open Source Flight Simulator

media-fonts / unifont : GNU Unifont - a Pan-Unicode X11 bitmap iso10646 font

  • Install unifont utilities

media-libs / freetype : A high-quality and portable font engine

  • Install utilities and examples from ft2demos

media-libs / leptonica : C library for image processing and analysis

  • Install command-line utilities

media-libs / libbluray : Blu-ray playback libraries

  • Install command-line utilities and examples

media-libs / libmp4v2 : Functions for accessing ISO-IEC:14496-1:2001 MPEG-4 standard

  • Install command-line utilities

media-libs / openh264 : Cisco OpenH264 library and Gecko Media Plugin for Mozilla packages

  • Install the CLI encoder and decoder utilities

media-libs / speex : Audio compression format designed for speech

  • Enables speex commandline utilities (speexenc, speexdec).

media-sound / csound : Sound design and signal processing system for composition and performance

net-dns / avahi : System which facilitates service discovery on a local network

  • Install the avahi gtk+ utils avahi-discover, bssh, and bvnc

net-dns / knot : High-performance authoritative-only DNS server

net-fs / libnfs : Client library for accessing NFS shares over a network

  • Build/install nfs-{cat,ls,cp} utils

net-fs / netatalk : Open Source AFP server

  • Install afpstats script

net-libs / nghttp2 : HTTP/2 C Library

  • Install nghttp, nghttpd and nghttpx

net-wireless / gnuradio : Toolkit that provides signal processing blocks to implement software radios

net-wireless / uhd : Universal Software Radio Peripheral (USRP) Hardware Driver

sci-biology / exonerate : Generic tool for pairwise sequence comparison

sys-auth / nss-pam-ldapd : NSS module for name lookups using LDAP

  • Install the command-line utilities

sys-auth / passwdqc : Password strength checking library (and PAM module)

sys-libs / readline : Another cute console display library

  • Install rlfe (ReadLine Front-End) helper tool -- a wrapper program for making any stdin use readline

x11-libs / cairo : A vector graphics library with cross-device output support

  • Build support for Cairo script and trace utilities

x11-libs / libva : Video Acceleration (VA) API for Linux

  • Install VA-API utility programs.