app-editors
app-editors / emacs : The extensible, customizable, self-documenting real-time display editor
app-editors / emacs-vcs : 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
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 8-bit Emulator
app-emulation / wine-any : Free implementation of Windows(tm) on Unix, with optional external patchsets
app-emulation / wine-d3d9 : Free implementation of Windows(tm) on Unix, with Gallium Nine patchset
app-emulation / wine-staging : Free implementation of Windows(tm) on Unix, with Wine-Staging patchset
app-emulation / wine-vanilla : Free implementation of Windows(tm) on Unix, without external patchsets
app-misc
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-misc / openastro : A fully-featured Open Source Astrology Program
- Enable exporting Astrological Charts to png
app-office
app-office / magicpoint : An X11 based presentation tool
app-pda
app-pda / pilot-link : Suite of tools for moving data between a Palm device and a desktop
app-text
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, orginally developed at HP, now open source.
dev-games
dev-games / openscenegraph : Open source high performance 3D graphics toolkit
dev-lang
dev-lang / R : Language and environment for statistical computing and graphics
dev-libs
dev-libs / pslib : pslib is a C-library to create PostScript files on the fly
dev-ml
dev-ml / camlimages : An image manipulation library for ocaml
dev-perl
dev-perl / GD : Interface to Thomas Boutell's gd library
dev-perl / Image-Scale : Fast, high-quality fixed-point image resizing
dev-python
dev-python / gdmodule : Python extensions for gd
dev-python / pyqrcode : A pure Python QR code generator with SVG, EPS, PNG and terminal output
dev-python / sympy : Computer Algebra System in pure Python
dev-qt
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
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
dev-tex / latex2html : Convertor written in Perl that converts LATEX documents to HTML
dev-util
dev-util / lcov : A graphical front-end for GCC's coverage testing tool gcov
dev-vcs
games-emulation
games-emulation / snes9x : Super Nintendo Entertainment System (SNES) emulator
games-emulation / zsnes : SNES (Super Nintendo) emulator that uses x86 assembly
games-engines
games-engines / residualvm : A cross-platform 3D game interpreter for play LucasArts' LUA-based 3D adventures
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
games-fps / eduke32 : An open source engine port of the classic PC first person shooter Duke Nukem 3D
games-fps / prboom-plus : A Doom source port developed from the original PrBoom project
games-fps / quakeforge : New 3d engine based off of id Softwares's Quake and QuakeWorld game engine
games-simulation
games-simulation / openttd : OpenTTD is a clone of Transport Tycoon Deluxe
games-util
games-util / deutex : WAD composer for Doom, Heretic, Hexen, and Strife
gnustep-base
gnustep-base / gnustep-gui : Library of GUI classes written in Obj-C
mail-filter
mail-filter / spamprobe : Fast, intelligent, automatic spam detector using Bayesian analysis
media-gfx
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 / gimp : GNU Image Manipulation Program
media-gfx / gmic : GREYC's Magic Image Converter
media-gfx / graphicsmagick : Collection of tools and libraries for many image formats
media-gfx / greycstoration : Image regularization algorithm for denoising, inpainting and resizing
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 / mscgen : A message sequence chart generator
media-gfx / openclipart : Open Clip Art Library (openclipart.org)
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
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 : A high-quality and portable font engine
media-libs / gd : Graphics library for fast image creation
media-libs / gegl : A graph based image processing framework
media-libs / imlib2 : Version 2 of an advanced replacement library for libraries like libXpm
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
media-sound / sox : The swiss army knife of sound processing programs
media-video
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-libs
net-libs / libvncserver : library for creating vnc servers
net-libs / onion : C library to create simple HTTP servers and Web Applications
net-print
net-print / cups-filters : Cups filters
sci-biology
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-meme : EMBOSS integrated version of MEME - Multiple Em for Motif Elicitation
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-electronics
sci-electronics / pcb : GPL Electronic Design Automation: Printed Circuit Board editor
- PNG graphics export
sci-geosciences
sci-geosciences / grass : A free GIS with raster and vector functionality, as well as 3D vizualization
sci-libs
sci-libs / ViSP : Visual Servoing Platform: visual tracking and visual servoing library
sci-libs / dcmtk : The DICOM Toolkit
sci-libs / dlib : Numerical and networking C++ library
sci-libs / gdal : Translator library for raster geospatial data formats (includes OGR support)
sci-libs / gmsh : A three-dimensional finite element mesh generator
sci-libs / grib_api : Library for encoding and decoding WMO FM-92 GRIB messages
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
sci-visualization / gle : Graphics Layout Engine
sci-visualization / grace : Motif based XY-plotting tool
sys-libs
sys-libs / slang : Multi-platform library designed to allow a developer to create robust software
virtual
virtual / imagemagick-tools : Virtual for imagemagick command line tools
www-client
www-client / dillo : Lean FLTK based web browser
www-client / netsurf : a free, open source web browser
x11-libs
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
x11-misc / fbdesk : fluxbox-util application that creates and manage icons on your Fluxbox desktop
x11-misc / pathfinder : File manager based on the FOX Toolkit
x11-misc / shutterbug : Screenshot utility based on the FOX Toolkit
x11-misc / xaos : Very fast real-time fractal zoomer
x11-misc / xplanet : Render images of the earth into the X root window
x11-misc / xwallpaper : Wallpaper setting utility for X
x11-terms
x11-terms / mrxvt : Multi-tabbed rxvt clone with XFT, transparent background and CJK support
x11-terms / multi-aterm : rxvt compatible terminal emulator with transparency and tab support
x11-themes
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
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 / windowmaker : The fast and light GNUstep window manager