Packages with the zlib use flag

Global definition: Add support for zlib (de)compression.

app-admin / radmind : Command-line tools and server to remotely administer multiple Unix filesystems

app-admin / testdisk : Checks and undeletes partitions + PhotoRec, signature based recovery tool

app-arch / dpkg : Package maintenance system for Debian

app-arch / dump : Dump/restore ext2fs backup utilities

app-arch / zstd : zstd fast compression library

app-dicts / stardict-cdict-en-zh-big5 : Stardict Dictionary English to Traditional Chinese (BIG5)

app-dicts / stardict-cdict-en-zh-gb : Stardict Dictionary English to Simplified Chinese (GB)

app-dicts / stardict-cedict-zh-en-big5 : Stardict Dictionary Traditional Chinese (BIG5) to English

app-dicts / stardict-cedict-zh-en-gb : Stardict Dictionary Simplified Chinese (GB) to English

app-dicts / stardict-dictd-devils : Stardict Dictionary for's Devil's Dictionary

app-dicts / stardict-freedict-eng-deu : Stardict Dictionary English to German

app-dicts / stardict-freedict-eng-fra : Stardict Dictionary English to French

app-dicts / stardict-freedict-eng-ita : Stardict Dictionary English to Italian

app-dicts / stardict-freedict-eng-lat : Stardict Dictionary English to Latin

app-dicts / stardict-freedict-eng-rus : Stardict Dictionary English to Russian

app-dicts / stardict-freedict-eng-spa : Stardict Dictionary English to Spanish

app-dicts / stardict-freedict-eng-swe : Stardict Dictionary English to Swedish

app-dicts / stardict-freedict-eng-tur : Stardict Dictionary English to Turkish

app-dicts / stardict-freedict-tur-deu : Stardict Dictionary Turkish to German

app-dicts / stardict-freedict-tur-eng : Stardict Dictionary Turkish to English

app-dicts / stardict-jmdict-en-ja : Stardict Dictionary English to Japanese

app-dicts / stardict-jmdict-ja-en : Stardict Dictionary Japanese to English

app-dicts / stardict-langdao-en-zh-gb : Stardict Dictionary English to Simplified Chinese (GB)

app-dicts / stardict-langdao-zh-en-gb : Stardict Dictionary Simplified Chinese (GB) to English

app-dicts / stardict-mova-smiley : Stardict Dictionary for's Smiley Dictionary

app-dicts / stardict-oxford-en-zh-gb : Stardict Dictionary English to Simplified Chinese (GB)

app-dicts / stardict-quick-eng-jpn : Stardict Dictionary English to Japanese Romaji

app-dicts / stardict-quick-jpn-eng : Stardict Dictionary Japanese Romaji to English

app-dicts / stardict-quick-ru-en : Quick but still useful Russian to English dictionary

app-dicts / stardict-xdict-en-zh-big5 : Stardict Dictionary English to Traditional Chinese (BIG5)

app-dicts / stardict-xdict-en-zh-gb : Stardict Dictionary English to Simplified Chinese (GB)

app-dicts / stardict-xdict-zh-en-big5 : Stardict Dictionary Traditional Chinese (BIG5) to English

app-dicts / stardict-xdict-zh-en-gb : Stardict Dictionary Simplified Chinese (GB) to English

app-editors / emacs : The extensible, customizable, self-documenting real-time display editor

app-emulation / fuse : Free Unix Spectrum Emulator by Philip Kendall

app-emulation / fuse-utils : Utils for the Free Unix Spectrum Emulator by Philip Kendall

app-emulation / libspectrum : Spectrum emulation library

app-emulation / vice : Versatile Commodore Emulator

app-forensics / libewf : Implementation of the EWF (SMART and EnCase) image format

app-forensics / sleuthkit : A collection of file system and media management forensic analysis tools

app-misc / carbon-c-relay : Enhanced C version of Carbon relay, aggregator and rewriter

app-text / groonga : An Embeddable Fulltext Search Engine

app-text / hyperestraier : a full-text search system for communities

app-text / libstaroffice : Import filter for old StarOffice documents

  • Enable support for compressed data

app-text / pspdftool : Tool for prepress preparation of PDF and PostScript documents

app-text / wv2 : Excellent MS Word filter lib, used in most Office suites

dev-cpp / cpp-httplib : C++ HTTP/HTTPS server and client library

dev-cpp / prometheus-cpp : Prometheus Client Library for Modern C++

dev-db / postgresql : PostgreSQL RDBMS

dev-db / qdbm : Quick Database Manager

dev-db / tokyocabinet : A library of routines for managing a database

dev-games / openscenegraph : Open source high performance 3D graphics toolkit

dev-games / openscenegraph-openmw : OpenMW-specific fork of OpenSceneGraph

dev-lang / php : The PHP language runtime engine

dev-libs / boost : Boost Libraries for C++

dev-libs / botan : C++ crypto library

dev-libs / c-blosc : Blocking, shuffling and lossless compression library

dev-libs / c-blosc2 : Blocking, shuffling and lossless compression library

dev-libs / capnproto : RPC/Serialization system with capabilities support

dev-libs / libisoburn : Creation/expansion of ISO-9660 filesystems on CD/DVD media supported by libburn

dev-libs / libisofs : Open-source library for reading, mastering and writing optical discs

dev-libs / libpcre : Perl-compatible regular expression library

  • Add support for pcregrep command to search within gzip-compressed files (via sys-libs/zlib).

dev-libs / libpcre2 : Perl-compatible regular expression library

  • Add support for pcregrep command to search within gzip-compressed files (via sys-libs/zlib).

dev-libs / libtar : C library for manipulating tar archives

dev-libs / opensc : Libraries and applications to access smartcards

dev-libs / protobuf : Google's Protocol Buffers - Extensible mechanism for serializing structured data

dev-lisp / clisp : A portable, bytecode-compiled implementation of Common Lisp

dev-ml / cryptokit : Cryptographic primitives library for Objective Caml

dev-perl / Mail-IMAPClient : IMAP client module for Perl

  • Install support for COMPRESS DEFLATE connections

dev-php / PEAR-HTTP_Request2 : Provides an easy way to perform HTTP requests

  • Force dev-lang/php to be compiled with zlib extension

dev-python / pillow : Python Imaging Library (fork)

dev-util / archdiff : Utility to view the differences between two source code archives

dev-util / diffoscope : Will try to get to the bottom of what makes files or directories different

dev-util / perf : Userland tools for Linux Performance Counters

dev-vcs / cvsgraph : CVS/RCS repository grapher

games-emulation / hatari : Atari ST emulator

games-emulation / stella : Multi-platform Atari 2600 VCS Emulator

games-engines / scummvm : Reimplementation of the SCUMM game engine used in Lucasarts adventures

games-fps / alienarena : Fast-paced multiplayer deathmatch game

games-fps / prboom-plus : An enhanced clone of the classic first-person shooter Doom

games-fps / quakeforge : 3D engine based on id Software's Quake and QuakeWorld game engines

games-simulation / openttd : A clone of Transport Tycoon Deluxe

games-strategy / crimson : Tactical war game in the tradition of Battle Isle

games-util / ucon64 : The backup tool and wonderful emulator's Swiss Army knife program

games-util / wit : command line tools to manipulate Wii/GameCube ISO images and WBFS containers

mail-client / neomutt : A small but very powerful text-based mail client

  • Add zlib support for header cache compression

media-gfx / graphicsmagick : Collection of tools and libraries for many image formats

media-gfx / imagemagick : A collection of tools and libraries for many image formats

media-gfx / imageworsener : Utility for image scaling and processing

media-libs / gd : Graphics library for fast image creation

media-libs / imlib2 : Version 2 of an advanced replacement library for libraries like libXpm

  • Zlib loader support

media-libs / lcms : A lightweight, speed optimized color management engine

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

media-libs / liblingoteach : A library to support lingoteach-ui and for generic lesson development

media-libs / libopenmpt : Library to decode tracked music files (modules)

media-libs / libraw : LibRaw is a library for reading RAW files obtained from digital photo cameras

media-libs / simage : Image and video texturing library

media-libs / tiff : Tag Image File Format (TIFF) library

media-libs / tiff-compat : Tag Image File Format (TIFF) library (compat package for

media-libs / vigra : C++ computer vision library emphasizing customizable algorithms and structures

media-plugins / vdr-vdrmanager : VDR Plugin: remote programming VDR using VDR-Manager running on Android devices

media-sound / mpd : The Music Player Daemon (mpd)

media-sound / qtractor : Audio/MIDI multi-track sequencer written in C++ with the Qt framework

media-tv / tvheadend : Tvheadend is a TV streaming server and digital video recorder

media-video / ffmpeg : Complete solution to record/convert/stream audio and video. Includes libavcodec

media-video / mpv : Media player for the command line

net-analyzer / fwlogwatch : A packet filter and firewall log analyzer

net-analyzer / hydra : Parallelized network login hacker

net-analyzer / net-snmp : Software for generating and retrieving SNMP data

net-analyzer / sarg : Squid Analysis Report Generator

net-analyzer / sngrep : Ncurses SIP Messages flow viewer

net-analyzer / wireshark : Network protocol analyzer (sniffer)

net-dns / bind : Berkeley Internet Name Domain - Name Server

net-dns / rbldnsd : DNS server designed to serve blacklist zones

net-firewall / pglinux : Privacy oriented firewall application

net-im / ejabberd : Robust, scalable and extensible XMPP server

  • Enable Stream Compression (XEP-0138) using zlib

net-im / ekg2 : Text-based, multi-protocol instant messenger

net-im / prosody : Prosody is a modern XMPP communication server

net-irc / ngircd : An IRC server written from scratch

net-irc / znc : An advanced IRC Bouncer

  • Enable mod_deflate-like gzip support for znc's web interface using sys-libs/zlib.

net-libs / gloox : A portable high-level Jabber/XMPP library for C++

net-libs / gnutls : A secure communications library implementing the SSL, TLS and DTLS protocols

net-libs / libssh : Access a working SSH implementation by means of a library

net-libs / libssh2 : Library implementing the SSH2 protocol

net-libs / libvncserver : library for creating vnc servers

net-libs / mbedtls : Cryptographic library for embedded systems

net-libs / neon : HTTP and WebDAV client library

net-libs / wandio : C library for simple and efficient file IO

net-mail / isync : MailDir mailbox synchronizer

net-mail / mairix : Indexes and searches Maildir/MH folders

net-misc / dropbear : Small SSH 2 client/server designed for small memory environments

net-misc / sitecopy : Maintain remote web sites with ease

net-misc / wget : Network utility to retrieve files from the WWW

net-misc / wget2 : GNU Wget2 is a file and recursive website downloader

net-nntp / nzbget : A command-line based binary newsgrabber supporting .nzb files

net-proxy / haproxy : A TCP/HTTP reverse proxy for high availability environments

net-proxy / privoxy : A web proxy with advanced filtering capabilities for enhancing privacy

  • Decompress zlib compressed data using sys-libs/zlib before filtering

net-proxy / wwwoffle : Web caching proxy suitable for non-permanent Internet connections

net-voip / yate : The Yate AV Suite

net-vpn / tinc : tinc is an easy to configure VPN implementation

net-vpn / vtun : Create tunnels over TCP/IP networks with shaping, encryption, and compression

sci-geosciences / gmt : Powerful map generator

sci-libs / ViSP : Visual Servoing Platform: visual tracking and visual servoing library

sci-libs / coinor-utils : COIN-OR Matrix, Vector and other utility classes

sci-libs / dcmtk : The DICOM Toolkit

sci-libs / gmsh : Three-dimensional finite element mesh generator

sci-libs / hdf5 : General purpose library and file format for storing scientific data

sci-libs / libgeotiff : Library for reading TIFF files with embedded tags for geographic information

sci-libs / mathgl : Math Graphics Library

sci-libs / trilinos : Scientific library collection for large scale problems

sci-libs / xylib : Experimental x-y data reading library

sci-mathematics / form : Symbolic Manipulation System

sci-mathematics / geomview : Interactive Geometry Viewer

sci-mathematics / msieve : A C library implementing a suite of algorithms to factor large integers

sci-mathematics / octave : High-level interactive language for numerical computations

sci-physics / pythia : Lund Monte Carlo high-energy physics event generator

sci-physics / thepeg : Toolkit for High Energy Physics Event Generation

sci-visualization / gwyddion : Framework for Scanning Mode Microscopy data analysis

sys-apps / file : Identify a file's format by scanning binary data for patterns

sys-apps / kexec-tools : Load another kernel from the currently executing Linux kernel

sys-apps / kmod : library and tools for managing linux kernel modules

  • Enable support for gzipped modules

sys-apps / man-db : A man replacement that utilizes dbm instead of flat files

sys-apps / pciutils : Various utilities dealing with the PCI bus

  • Support compressed pci.ids database

sys-apps / s390-tools : User space utilities for the zSeries (s390) Linux kernel and device drivers

  • build the zgetdump and dump2tar utilities

sys-apps / the_silver_searcher : A code-searching tool similar to ack, but faster

sys-block / fio : Jens Axboe's Flexible IO tester

sys-block / nbd : Userland client/server for kernel network block device

sys-block / nbdkit : NBD server with stable plugin ABI and permissive license

sys-cluster / hpx : C++ runtime system for parallel and distributed applications

sys-fs / squashfuse : FUSE filesystem to mount squashfs archives

sys-libs / cracklib : Password Checking Library

sys-libs / libunwind : Portable and efficient API to determine the call-chain of a program

sys-libs / slang : Multi-platform library designed to allow a developer to create robust software

www-apps / phpBB : An open-source PHP-based bulletin board package

www-client / elinks : Advanced and well-established text-mode web browser

www-client / links : A fast and lightweight web browser running in both graphics and text mode

www-servers / lighttpd : Lightweight high-performance web server

  • Enable output compression via gzip or deflate algorithms from sys-libs/zlib

x11-libs / fox : C++ Toolkit for developing Graphical User Interfaces easily and effectively

x11-libs / gl2ps : OpenGL to PostScript printing library

x11-libs / libpciaccess : Library providing generic access to the PCI bus and devices