Packages with the png use flag

Global definition: Add support for libpng (PNG images).

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

app-editors / kile : Latex Editor and TeX shell based on KDE Frameworks

app-editors / qemacs : QEmacs is a very small but powerful UNIX editor

app-editors / xemacs : highly customizable open source text editor and application development system

app-emulation / crossover-bin : Commercial version of app-emulation/wine with paid support

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 / qemu : QEMU + Kernel-based Virtual Machine userland tools

  • Enable png image support for the VNC console server

app-emulation / vice : Versatile Commodore Emulator

app-misc / lcdproc : Displays real-time system information from your Linux/*BSD box on a LCD

  • Enable support for media-libs/libpng in the glcd driver.

app-office / magicpoint : X11 based presentation tool

app-pda / pilot-link : Suite of tools for moving data between a Palm device and a desktop

app-text / crengine-ng : Cross-platform library designed to implement e-book readers

app-text / mathtex : Lets you easily embed LaTeX math in your own html pages, blogs, wikis, etc

  • Generate png images by default instead of gif

app-text / pdfsandwich : generator of sandwich OCR pdf files

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

app-text / tesseract : An OCR Engine, originally developed at HP, now open source

app-text / texlive : A complete TeX distribution

app-text / xpdf : The PDF viewer and tools

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

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

dev-lang / R : Language and environment for statistical computing and graphics

dev-lang / gdl : GNU Data Language

dev-libs / pslib : pslib is a C-library to create PostScript files on the fly

dev-perl / Image-Scale : Fast, high-quality fixed-point image resizing

dev-python / sympy : Computer Algebra System in pure Python

dev-qt / qtgui : The GUI module and platform plugins for the Qt5 framework

dev-qt / qtwidgets : Set of components for creating classic desktop-style UIs for the Qt5 framework

dev-ruby / barby : Ruby barcode generator that doesn't rely on 3rd party libraries

  • Add support for writing PNG images using dev-ruby/chunky_png.

dev-tex / latex2html : Convertor written in Perl that converts LaTeX documents to HTML

dev-vcs / cvsgraph : CVS/RCS repository grapher

games-action / dxx-rebirth : Descent Rebirth - enhanced Descent 1 & 2 engine

games-emulation / hatari : Atari ST emulator

games-emulation / snes9x : Super Nintendo Entertainment System (SNES) emulator

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

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

games-engines / scummvm-tools : utilities for the SCUMM game engine

games-fps / chocolate-doom : A Doom source port that is minimalist and historically accurate

games-fps / eduke32 : An open source engine port of the classic PC first person shooter Duke Nukem 3D

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-util / deutex : WAD composer for Doom, Heretic, Hexen, and Strife

gnustep-base / gnustep-gui : Library of GUI classes written in Obj-C

mail-filter / spamprobe : Fast, intelligent, automatic spam detector using Bayesian analysis

media-gfx / exact-image : A fast, modern and generic image processing library

media-gfx / exiv2 : EXIF, IPTC and XMP metadata C++ library and command line utility

media-gfx / fbida : Image viewers for the framebuffer console (fbi) and X11 (ida)

media-gfx / fim : Fbi-IMproved is a framebuffer image viewer based on Fbi and inspired from Vim

media-gfx / fontforge : postscript font editor and converter

media-gfx / gmic : GREYC's Magic Image Converter

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

media-gfx / hp2xx : Convert Hewlett-Packard's HP-GL plotter language to other graphics formats

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

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

media-gfx / imv : Minimal image viewer designed for tiling window manager users

media-gfx / mscgen : Message sequence chart generator

media-gfx / openclipart : Open Clip Art Library (

media-gfx / qrencode : C library for encoding data in a QR Code symbol

  • Enable PNG output support in qrencode tool

media-gfx / sxiv : Simple (or small or suckless) X Image Viewer

media-gfx / tachyon : A portable, high performance parallel ray tracing system

media-gfx / xloadimage : Utility to view many different types of images under X11

media-gfx / xsane : Graphical scanning frontend

media-gfx / xv : Interactive image manipulation program supporting a wide variety of formats

media-gfx / yafaray : A free open-source montecarlo raytracing engine

media-libs / allegro : Cross-platform library aimed at video game and multimedia programming

media-libs / devil : DevIL image library

media-libs / freeimage : Image library supporting many formats

media-libs / freetype : High-quality and portable font engine

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

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

  • PNG image loader support

media-libs / jbig2dec : A decoder implementation of the JBIG2 image compression format

media-libs / jbig2enc : JBIG2 Encoder and libs

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

media-libs / libafterimage : Afterstep's standalone generic image manipulation library

media-libs / libquicktime : An enhanced version of the quicktime4linux library

media-libs / libsixel : A lightweight, fast implementation of DEC SIXEL graphics codec

media-libs / libwebp : A lossy image compression format

media-libs / netpbm : A set of utilities for converting to/from the netpbm (and related) formats

media-libs / opencv : A collection of algorithms and sample code for various computer vision problems

media-libs / plotutils : Powerful C/C++ function library for exporting 2-D vector graphics

media-libs / sdl-image : Image file loading library

media-libs / sdl2-image : Image file loading library

media-libs / simage : Image and video texturing library

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

media-sound / sox : The swiss army knife of sound processing programs

media-video / ffmpegthumbnailer : Lightweight video thumbnailer that can be used by file managers

media-video / gpac : Implementation of the MPEG-4 Systems standard developed from scratch in ANSI C

media-video / mjpegtools : Tools for MJPEG video

media-video / mplayer : Media Player for Linux

media-video / oxine : OSD frontend for Xine

media-video / vlc : Media player and framework with support for most multimedia files and streaming

net-im / toxic : A curses-based client for Tox

net-libs / libvncserver : library for creating vnc servers

net-print / cups-filters : Cups filters

sci-astronomy / siril : A free astronomical image processing software

sci-biology / embassy-cbstools : EMBOSS integrated version of Applications from the CBS group

sci-biology / embassy-clustalomega : EMBOSS integrated version of Clustal Omega - Multiple Sequence Alignment

sci-biology / embassy-domainatrix : EMBOSS integrated version of Protein domain analysis add-on package

sci-biology / embassy-domalign : EMBOSS integrated version of Protein domain alignment add-on package

sci-biology / embassy-domsearch : EMBOSS integrated version of Protein domain search add-on package

sci-biology / embassy-emnu : EMBOSS integrated version of Simple menu of EMBOSS applications

sci-biology / embassy-esim4 : EMBOSS integrated version of sim4 - Alignment of cDNA and genomic DNA

sci-biology / embassy-hmmer : EMBOSS integrated version of HMMER wrapper - sequence analysis with profile HMMs

sci-biology / embassy-iprscan : EMBOSS integrated version of InterProScan motif detection add-on package

sci-biology / embassy-mse : EMBOSS integrated version of MSE - Multiple Sequence Screen Editor

sci-biology / embassy-phylipnew : EMBOSS integrated version of The Phylogeny Inference Package

sci-biology / embassy-signature : EMBOSS integrated version of Protein signature add-on package

sci-biology / embassy-structure : EMBOSS integrated version of Protein structure add-on package

sci-biology / embassy-topo : EMBOSS integrated version of Transmembrane protein display

sci-biology / embassy-vienna : EMBOSS integrated version of Vienna RNA package - RNA folding

sci-biology / emboss : The European Molecular Biology Open Software Suite - A sequence analysis package

sci-chemistry / openbabel : Interconverts file formats used in molecular modeling

sci-electronics / pcb : GPL Electronic Design Automation: Printed Circuit Board editor

  • PNG graphics export

sci-geosciences / grass : A free GIS with raster and vector functionality, as well as 3D vizualization

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

sci-libs / brial : A C++ library for polynomials over boolean rings

sci-libs / dcmtk : The DICOM Toolkit

sci-libs / dlib : Numerical and networking C++ library

sci-libs / eccodes : A set of encoding/decoding APIs and tools for WMO GRIB, BUFR, and GTS messages

sci-libs / gdal : Translator library for raster geospatial data formats (includes OGR support)

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

sci-libs / m4ri : Method of four russian for inversion (M4RI)

sci-libs / mathgl : Math Graphics Library

sci-libs / pcl : 2D/3D image and point cloud processing

sci-libs / plplot : Multi-language scientific plotting library

sci-visualization / gle : Graphics Layout Engine

sci-visualization / grace : Motif based XY-plotting tool

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

virtual / imagemagick-tools : Virtual for imagemagick command line tools

www-client / dillo : Lean FLTK based web browser

www-client / netsurf : A free, open source web browser

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

x11-libs / gl2ps : OpenGL to PostScript printing library

x11-libs / motif : The Motif user interface component toolkit

x11-misc / fbdesk : fluxbox-util application that creates and manage icons on your Fluxbox desktop

x11-misc / xaos : Very fast real-time fractal zoomer

x11-misc / xplanet : Render images of the earth into the X root window

x11-misc / xscreensaver : Modular screen saver and locker for the X Window System

x11-misc / xwallpaper : Wallpaper setting utility for X

x11-themes / tango-icon-theme : SVG and PNG icon theme from the Tango project

x11-themes / tango-icon-theme-extras : Tango icons for iPod Digital Audio Player devices and the Dell Pocket DJ DAP

x11-wm / fvwm : An extremely powerful ICCCM-compliant multiple virtual desktop window manager

x11-wm / jwm : Very fast and lightweight still powerful window manager for X

x11-wm / pekwm : A lightweight window manager initially based on aewm++

x11-wm / windowmaker : The fast and light GNUstep window manager