Packages using USE-Flag examples:

dev-cpp/abseil-cpp-20260107.1

Abseil Common Libraries (C++), LTS Branch

2026-05-28

app-admin/awscli-1.45.16

Universal Command Line Environment for AWS

2026-05-28

dev-python/boto3-1.43.16

The AWS SDK for Python

2026-05-28

dev-python/botocore-1.43.16

Low-level, data-driven core of boto 3

2026-05-28

dev-python/cfn-lint-1.51.2

CloudFormation Linter

2026-05-28

dev-util/claude-code-2.1.152

Claude Code - an agentic coding tool by Anthropic

2026-05-28

dev-python/dbus-fast-5.0.16

A faster version of dbus-next

2026-05-28

dev-lang/deno-bin-2.8.1

Modern runtime for JavaScript and TypeScript

2026-05-28

dev-python/docutils-0.23

Python Documentation Utilities (reference reStructuredText impl.)

2026-05-28

gui-wm/gamescope-3.16.24

Efficient micro-compositor for running games

2026-05-28

sci-libs/ginkgo-1.11.0

Numerical linear algebra software package

2026-05-28

dev-ruby/google-protobuf-3.25.9

Protocol Buffers are Google's data interchange format

2026-05-28

dev-ruby/google-protobuf-4.33.4

Protocol Buffers are Google's data interchange format

2026-05-28

dev-ruby/google-protobuf-4.34.2

Protocol Buffers are Google's data interchange format

2026-05-28

dev-ruby/googleapis-common-protos-types-1.23.0

Common protocol buffer types used by Google APIs

2026-05-28

dev-ruby/grpc-1.80.0

Send RPCs from Ruby using GRPC

2026-05-28

net-libs/grpc-1.80.0

Modern open source high performance RPC framework

2026-05-28

dev-python/hypothesis-6.153.6

A library for property based testing

2026-05-28

dev-cpp/kokkos-4.7.4

C++ Performance Portability Programming EcoSystem

2026-05-28

dev-cpp/kokkos-5.1.1

C++ Performance Portability Programming EcoSystem

2026-05-28

gnome-base/librsvg-2.62.2-r1

Scalable Vector Graphics (SVG) rendering library

2026-05-28

media-libs/mesa-26.0.7

OpenGL-like graphic library for Linux

2026-05-28

media-libs/mesa-26.0.8

OpenGL-like graphic library for Linux

2026-05-28

dev-util/mesa_clc-26.0.7

mesa_clc tool used for building OpenCL C to SPIR-V

2026-05-28

dev-util/mesa_clc-26.0.8

mesa_clc tool used for building OpenCL C to SPIR-V

2026-05-28

www-apache/mod_h2-2.0.41

HTTP/2 module for Apache

2026-05-28

net-misc/mosh-1.4.0-r2

Mobile shell that supports roaming and intelligent local echo

2026-05-28

app-emacs/multi-term-1.4-r1

Manage multiple terminal buffers in Emacs

2026-05-28

app-emacs/multiple-cursors-1.5.0

Multiple cursors for Emacs

2026-05-28

x11-drivers/nvidia-drivers-595.80

NVIDIA Accelerated Graphics Driver

2026-05-28

app-text/papers-50.2

A document viewer for the GNOME desktop

2026-05-28

dev-libs/protobuf-25.9

Google's Protocol Buffers - Extensible mechanism for serializing structured

2026-05-28

dev-libs/protobuf-29.5-r1

Google's Protocol Buffers - Extensible mechanism for serializing structur

2026-05-28

dev-libs/protobuf-33.4

Google's Protocol Buffers - Extensible mechanism for serializing structured

2026-05-28

dev-libs/protobuf-34.2

Google's Protocol Buffers - Extensible mechanism for serializing structured

2026-05-28

dev-python/python-discovery-1.3.2

Python interpreter discovery

2026-05-28

dev-python/pyzotero-1.13.0

A Python client for the Zotero API

2026-05-28

dev-python/securesystemslib-1.4.0

Cryptographic routines for Secure Systems Lab projects at NYU

2026-05-28

media-sound/spotify-1.2.90

Spotify is a social music platform

2026-05-28

dev-python/stripe-15.2.0

Stripe Python bindings

2026-05-28

gui-wm/sway-1.12

i3-compatible Wayland window manager

2026-05-28

dev-cpp/taskflow-4.0.0

Modern C++ Parallel Task Programming

2026-05-28

media-sound/teamspeak-server-3.13.8

A server software for hosting quality voice communication via t

2026-05-28

sci-ml/tokenizers-0.23.1

Implementation of today's most used tokenizers

2026-05-28

dev-python/tornado-6.5.6

Python web framework and asynchronous networking library

2026-05-28

sci-libs/trilinos-16.2.1

Scientific library collection for large scale problems

2026-05-28

sci-libs/trilinos-17.1.0

Scientific library collection for large scale problems

2026-05-28

dev-python/typer-0.26.2

Build great CLIs. Easy to code. Based on Python type hints

2026-05-28

media-libs/webrtc-audio-processing-1.3-r4

AudioProcessing library from the webrtc.org codebase

2026-05-28

dev-lang/algol68g-3.12.2

Algol 68 Genie compiler-interpreter

2026-05-27

dev-cpp/asio-1.38.0

Asynchronous Network Library

2026-05-27

app-admin/awscli-1.45.15

Universal Command Line Environment for AWS

2026-05-27

media-video/bino-2.7

Stereoscopic and multi-display media player

2026-05-27

dev-python/boto3-1.43.15

The AWS SDK for Python

2026-05-27

dev-python/botocore-1.43.15

Low-level, data-driven core of boto 3

2026-05-27

sci-ml/caffe2-2.12.0-r2

A deep learning framework

2026-05-27

dev-util/cargo-nextest-0.9.135

Next-generation test runner for Rust

2026-05-27

sys-cluster/charliecloud-0.44

Lightweight user-defined software stacks for high-performance computi

2026-05-27

net-misc/chrome-remote-desktop-148.0.7778.58

access remote computers via Chrome

2026-05-27

dev-python/coverage-7.14.1

Code coverage measurement for Python

2026-05-27

x11-wm/cwm-7.9

OpenBSD fork of calmwm, a clean and lightweight window manager

2026-05-27

dev-python/dbus-fast-5.0.15

A faster version of dbus-next

2026-05-27

dev-python/django-prometheus-2.5.0

Library to export Django metrics for Prometheus

2026-05-27

app-text/djvu-3.5.30

DjVu viewers, encoders and utilities

2026-05-27

net-dns/dnsdist-2.0.6

A highly DNS-, DoS- and abuse-aware loadbalancer

2026-05-27

kde-plasma/drkonqi-6.6.5-r1

Plasma crash handler, gives the user feedback if a program crashed

2026-05-27

net-vpn/eduvpn-client-4.7.2

Linux client and Python client API for eduVPN

2026-05-27

net-vpn/eduvpn-common-5.0.2

Linux client and Python client API for eduVPN

2026-05-27

dev-python/elasticsearch-9.4.1

Official Elasticsearch client library for Python

2026-05-27

games-engines/fheroes2-1.1.16

Recreation of HoMM2 game engine

2026-05-27

sci-mathematics/gap-4.16.0_beta2

System for computational discrete algebra. Core functionality.

2026-05-27

dev-libs/girara-2026.02.04

UI library that focuses on simplicity and minimalism

2026-05-27

app-admin/gkrellm-2.5.1

Single process stack of various system monitors

2026-05-27

gnome-extra/gnome-commander-2.0.0

A graphical, full featured, twin-panel file manager

2026-05-27

app-crypt/gpgme-2.1.0

GnuPG Made Easy is a library for making GnuPG easier to use

2026-05-27

dev-cpp/gpgmepp-2.1.0

GnuPG Made Easy is a library for making GnuPG easier to use (C++ bindings)

2026-05-27

www-apps/grafana-bin-12.4.3_p2

Gorgeous metric viz, dashboards & editors for Graphite, InfluxDB & O

2026-05-27

media-gfx/graphicsmagick-1.3.47

Collection of tools and libraries for many image formats

2026-05-27

app-admin/hcloud-1.65.0

A command-line interface for Hetzner Cloud

2026-05-27

dev-util/hxtools-20251011-r1

Collection of tools and scripts

2026-05-27

dev-python/hypothesis-6.153.2

A library for property based testing

2026-05-27

net-misc/icaclient-26.01.0.150

ICA Client for Citrix Presentation servers

2026-05-27

media-sound/jack-4.1_pre20260308

A frontend for several cd-rippers and mp3 encoders

2026-05-27

dev-build/just-1.51.0

Just a command runner (with syntax inspired by 'make')

2026-05-27

sys-apps/kbd-2.10.0

Keyboard and console utilities

2026-05-27

dev-util/kdstatemachineeditor-2.3.1

Framework for creating Qt State Machine metacode using graphica

2026-05-27

app-admin/keepass-2.61.1

A free, open source, light-weight and easy-to-use password manager

2026-05-27

sys-apps/kmscon-10.0.0

KMS/DRM based virtual Console Emulator

2026-05-27

media-gfx/krita-6.0.2

Free digital painting application. Digital Painting, Creative Freedom

2026-05-27

app-crypt/lego-5.1.0

Let's Encrypt/ACME client (like certbot or acme.sh) and library written in Go

2026-05-27

media-libs/libresidfp-1.0.2

Library to software emulation of the MOS 6581/8580 SID chip

2026-05-27

media-libs/libsidplayfp-3.0.0

Library for the sidplay2 fork with resid-fp

2026-05-27

dev-libs/libusb-1.0.30

Userspace access to USB devices

2026-05-27

dev-libs/libusb-compat-0.1.9

Userspace access to USB devices (libusb-0.1 compat wrapper)

2026-05-27

dev-util/lttng-modules-2.14.5

LTTng Kernel Tracer Modules

2026-05-27

dev-util/lttng-ust-2.14.2

Linux Trace Toolkit - UST library

2026-05-27

sys-process/minicoredumper-2.0.8

Core dump file processor

2026-05-27

media-video/mkvtoolnix-99.0

Tools to create, alter, and inspect Matroska files

2026-05-27

www-apache/modsecurity-crs-4.26.0

OWASP ModSecurity Core Rule Set

2026-05-27

media-sound/mpd-0.24.12

The Music Player Daemon (mpd)

2026-05-27

dev-lang/mujs-1.3.9

An embeddable JavaScript interpreter written in C

2026-05-27

app-emacs/muse-3.20.2

An authoring and publishing environment for Emacs

2026-05-27

app-emacs/muse-3.20.2

An authoring and publishing environment for Emacs

2026-05-27

app-emacs/nagios-mode-0.4

Major mode for editing Nagios configuration files

2026-05-27

www-servers/nginx-1.31.1

2026-05-27

dev-util/nihtest-1.11.1

A testing tool for command line utilities

2026-05-27

www-nginx/njs-0.9.9

A subset of JavaScript language to use in NGINX

2026-05-27

app-shells/nushell-0.113.0

A new type of shell, written in Rust

2026-05-27

x11-drivers/nvidia-drivers-610.43.02-r1

NVIDIA Accelerated Graphics Driver

2026-05-27

sys-libs/openipmi-2.0.36-r1

Library interface to IPMI

2026-05-27

sys-libs/openipmi-2.0.37-r1

Library interface to IPMI

2026-05-27

sec-keys/openpgp-keys-johnogness-20260524

OpenPGP keys used by John Ogness

2026-05-27

sec-keys/openpgp-keys-moritzbunkus-20260524

OpenPGP keys used by Moritz Bunkus

2026-05-27

dev-libs/opensc-0.27.1

Libraries and applications to access smartcards

2026-05-27

media-sound/owntone-29.2

DAAP (iTunes) and MPD media server

2026-05-27

dev-php/pecl-amqp-2.2.0

PHP Bindings for AMQP 0-9-1 compatible brokers

2026-05-27

dev-debug/peda-1.2-r1

Python Exploit Development Assistance for GDB

2026-05-27

sci-mathematics/petsc-3.25.1

Portable, Extensible Toolkit for Scientific Computation

2026-05-27

media-gfx/photoqt-5.3

Simple but powerful Qt-based image viewer

2026-05-27

media-plugins/photoqt-extensions-5.3

Official extensions for PhotoQt

2026-05-27

net-mail/public-inbox-2.1.0

An archives-first approach to mailing lists

2026-05-27

net-misc/putty-0.84

A Free Telnet/SSH Client

2026-05-27

dev-python/pypdf-6.12.2

Python library to work with PDF files

2026-05-27

dev-python/pytest-asyncio-1.4.0

Library for testing asyncio code with pytest

2026-05-27

dev-libs/qgpgme-2.1.0

GnuPG Made Easy is a library for making GnuPG easier to use (Qt bindings)

2026-05-27

media-sound/qtractor-1.6.0

Audio/MIDI multi-track sequencer written in C++ with the Qt framework

2026-05-27

dev-qt/qtspeech-6.10.3-r1

Text-to-speech library for the Qt6 framework

2026-05-27

dev-qt/qtspeech-6.11.1-r1

Text-to-speech library for the Qt6 framework

2026-05-27

www-apps/radicale-3.7.3

A simple CalDAV calendar server

2026-05-27

dev-python/s3transfer-0.17.1

An Amazon S3 Transfer Manager

2026-05-27

net-fs/samba-4.22.10

Samba Suite Version 4

2026-05-27

net-fs/samba-4.23.8

Samba Suite Version 4

2026-05-27

net-fs/samba-4.24.3

Samba Suite Version 4

2026-05-27

media-sound/sidplayfp-3.0.0

Sidplay2 fork with resid-fp

2026-05-27

net-im/signal-desktop-bin-8.10.0

Allows you to send and receive messages of Signal Messenger on you

2026-05-27

sci-mathematics/slepc-3.25.1

Scalable Library for Eigenvalue Problem Computations

2026-05-27

dev-libs/snowball-stemmer-3.1.0

Snowball compiler and stemming algorithms

2026-05-27

dev-vcs/sourcegit-2026.11

Open Source Git GUI client using .NET AvaloniaUI

2026-05-27

sys-auth/sssd-2.13.0-r1

System Security Services Daemon provides access to identity and authenticat

2026-05-27

sys-auth/sssd-2.9.9

System Security Services Daemon provides access to identity and authentication

2026-05-27

x11-misc/stalonetray-1.3.0-r1

System tray utility including support for KDE system tray icons

2026-05-27

net-mail/stalwart-cli-1.0.7

Stalwart Mail Server command line utility

2026-05-27

net-mail/stalwart-mail-0.16.6

Stalwart Mail Server

2026-05-27

dev-util/stripe-mock-0.200.0

Mock HTTP server that responds like the real Stripe API

2026-05-27

net-vpn/strongswan-6.0.6

IPsec-based VPN solution, supporting IKEv1/IKEv2 and MOBIKE

2026-05-27

x11-misc/sxcs-1.2.1

Color picker and magnifier for X11

2026-05-27

sys-apps/system-monitoring-center-3.4.1

Multi-featured system monitor GUI written in Python

2026-05-27

app-office/texstudio-4.9.4

Free cross-platform LaTeX editor (fork from texmakerX)

2026-05-27

dev-vcs/tortoisehg-7.0.1-r1

Set of graphical tools for Mercurial

2026-05-27

dev-python/urwid-4.0.1

Curses-based user interface library for Python

2026-05-27

app-emulation/xen-4.20.3

The Xen virtual machine monitor

2026-05-27

app-emulation/xen-tools-4.20.3

Xen tools including QEMU and xl

2026-05-27

app-text/zathura-2026.02.22

Highly customizable & functional document viewer

2026-05-27

app-text/zathura-cb-2026.02.03

Comic book plug-in for zathura with 7zip, rar, tar and zip support

2026-05-27

app-text/zathura-djvu-2026.02.03

DjVu plug-in for zathura

2026-05-27

app-text/zathura-pdf-mupdf-2026.02.03

PDF support for zathura using the mupdf PDF rendering library

2026-05-27

app-text/zathura-pdf-poppler-2026.02.03

PDF plug-in for zathura

2026-05-27

app-text/zathura-ps-2026.02.03

PostScript plug-in for zathura

2026-05-27

dev-python/zope-interface-8.5

Interfaces for Python

2026-05-27