KPhotoAlbum is an application for tagging and managing a photo collection and making it searchable.
    

KPhotoAlbum

Inochi2D is a framework for realtime 2D puppet animation which can be used for VTubing, 
      game development and digital animation.
      Inochi Session is a tool that lets you use your Inochi2D models for live streaming.
    

Inochi Session

Turn based PAC-MAN, girl style!
      
        W,A,S,D / Arrow Keys = Move
      
      Dedicated to Tōru Iwatani.
    

PAC-GAL


      Pure Data (or just "Pd") is an open source visual programming language for multimedia. Pure Data is developed by Miller Puckette since 1996 and you can find it on his official website along with the official documentation and other related resources. This is the official "Pd" or "main distribution" and it is also known as "Pd Vanilla".
    
      
      Think of Pd as a "Modular Synthesizer" that is also a programming language.
    
      
      Pd's audio and MIDI functions are built-in as well as networking (e.g. using Open Sound Control), but there are a number of external libraries that allow you to do graphics, interface hardware and much more...
    
    

Pure Data (Pd)

A real-time graphical programming environment for live interactive computer music

PreviewQt is a very simple application for previewing a wide range of files. Its main aim is on speed, striving to provide a preview as instantaneously as possible. It achieves this by being very lightweight and by its ability to sit in the system tray, ready to show whatever is thrown at it.
      Supported file formats include:
      
        More than 140 image formats
        All of the common video formats
        Photo spheres and 360 degree panoramas (that use equirectangular projections)
        Motion photos, Micro videos, and Apple live photos
        PDF documents including page navigation
        Archives (zip, tar.gz, rar, 7-zip) with the ability to explore its content
        Comic Books (cbz, cbt, cbr, cb7) including page navigation
        E-Books (epub) including navigation and font scaling
      
      If you are using Dolphin file manager, PreviewQt can be invoked by shortcut to load whichever file is currently highlighted to allow for previewing any file easily without having to se PreviewQt as default application. You can pass files to PreviewQt by means of a remote application (small square) wth any file dropped on it passed on to PreviewQt. If you are running KDE Plasma 6, there is also a plasmoid that integrates nicely with your desktop.
      If you like the overall concept of PreviewQt but would like to have more features, check out the fully featured image viewer PhotoQt.
    

PreviewQt

Drive around and "collect" Porygon, each time you collect a Porygon a new one will randomly spawn somewhere on the map. A Porygon colliding with a purple cube will cause it to light up blue, this can help you find them. Upon right clicking the mouse you will switch between Ariel and Close views, in the Ariel view it is easier to see which of the purple cubes that the Porygon is colliding with. You can coast the side of collisions to speed up the recharging of boost.
      Mouse locks when you click on the window, press ESCAPE to unlock the mouse.
      
        N = New Game and Car Color
        W,A,S,D = Drive Car
        Space   = Brake
        L-Shift = Boost
        RIGHT CLICK/MOUSE4 = Zoom Snap Close/Ariel
        Mouse Scroll = Zoom in/out
        C = Random Car Colors
        R = Accelerate/step DNA color peel
        F = FPS to console
        P = Player stats to console
        O = Toggle auto drive
      
    

PoryDrive

Ristretto is an image viewer for the Xfce desktop environment.
    
      The Ristretto Image Viewer is an application that can be used to view
       and scroll through images, run a slideshow of images, open images with
       other applications like an image-editor or configure an image as the
       desktop wallpaper.
    
    

Ristretto

ImEditor is a simple image editor, supporting PNG, JPEG, WEBP, BMP, and ICO file types.It offers several tools to easily modify an image.

ImEditor

Flexible, user expandable 2D animation software for Linux and Windows.

enve

ImageFan Reloaded features mouse and key-based interaction using:
      
        left mouse button for interacting with tabs and folders, and for selecting, opening, zooming in and out, and dragging images
        right mouse button for returning from the opened image to the main view
        mouse wheel for scrolling through folders and thumbnails, and for navigating back and forward through opened images
        key Tab for cycling through active tabs
        key R for toggling recursive folder image browsing
        keys W-A-S-D, Up-Down-Left-Right, Backspace-Space and PageUp-PageDown for back and forward navigation through thumbnails and opened images
        key Enter for entering image view and zoomed image view modes
        key I for toggling image info in image view and zoomed image view modes
        keys Esc and T for exiting image view and zoomed image view modes
        key Esc for quitting application
        key F1 for displaying About view
      
    

ImageFan Reloaded

Light-weight, tab-based image viewer, supporting multi-core processing

Fontmatrix is a font management application.It helps keeping your font collection in order, allowing you to enable and disable availability of fonts and font families in your system. This is typically in demand by designers who tend to have huge collections of typefaces.

Fontmatrix


      Image Roll is a simple and fast GTK image viewer with basic image manipulation tools. Written in rust.
    
    

Image Roll

Image viewer with basic image manipulation tools


    Create 3D images with a phone or camera.
    Take two photos of a subject and the software will create a 3D image from them. Vertical and  rotational alignment of the left and right images is essential for a convincing 3D effect, but difficult to achieve with an ordinary camera. This software corrects it. 3D image formats that can be created are anaglyph (red/cyan), side-by-side and crossover. 
    Photos can be processed as a batch.   
    
    

Popout3D

Creates 3D images from photographs taken with an ordinary camera


      There are many ways to read comic books, and one of those that has become more
      common in recent years is on a computer. Peruse was created as a way to make
      exactly that as easy and pleasant as possible, and to simply get out of the
      way and let you read your comic books. One could say that it allows you to
      peruse your comic books at your leisure, but that would be a silly way of
      putting it - so, peruse your comic books at your leisure!
    
      
      One of the ways in which Peruse ensures your reading experience is as pleasant
      and effortless as possible is to allow you to simply pick up where you last left
      off. The welcome page in the application (first screenshot below) shows you your
      most recently read comics, and shows your progress through them. To pick up
      where you left off, simply tap the top left item and you will be taken right to
      the page you were reading before you had to stop.
    
      Features:
      
        Comic Book Archive (cbz, cbr, cb7, cbt, cba)
        Portable Document Format (pdf)
        ePub Books (epub)
        DeVice Independent files (dvi)
        DeJaVu (djvu)
        Compiled Help (chm)
      
    

Peruse


		Goxel is a 3D program that lets you create voxel volumes, a bit similar to minecraft. The code is Open Source and fully available on Github.
		
      Features:
      
        Unlimited scene size: You can create voxel images as big as you want.
        Layers support: Decompose your image into several layers for easy editing.
        Many export formats: Goxel can export to obj, pyl, magica voxel, png, qubicle, povray, and more.
      
    

Goxel


            This utility lets you draw using your laptop's touchpad.
            Pressing any key or clicking the touchpad will finish the drawing.
            Your touchpad will not control the cursor while drawing, though external mice should still work.
            It has support for both X11 (all desktop environments), and Wayland (just Gnome at the moment).
        
    

Fingerpaint

ComicReaderUltimate (CRU) is the modern successor to ComicReaderPro, one of the earliest programs for reading comics in CBR, CBZ or JPEG format on Windows, Mac and Linux.Multi-threaded for fast loadingGPU accelerated renderingView single or double pagesView pages separately or in a continuous scroCRU is highly configurable - you can tweak values to find the most natural reading experience. However, it is also highly *opinionated*.  It always runs fullscreen because that is the best way to read comics.  There is limited GUI because you are expected to learn the mouse or keyboard controls.  There is no library browser because your operating system should already have file manager.CRU is optimized to be as fast and responsive as possible on modern systems without worrying if it will run on legacy hardware. This comes at the cost of memory usage - it is assumed you have at least 4GB of RAM and a modern GPU with 2GB of VRAM. (CRU makes some effort to optimize for battery power but performance comes first.)

ComicReaderUltimate

pwall is modern style photo/video viewer and organizer.
      
It shows the folders of your photos/videos main directory
in the left pane and a photowall in the right.
The photowall is a scrolling panel of square thumbnails
giving a preview of each photo/video.
       Loading and unloading of this 
scrolling panel is made dynamicaly, viewing page by viewing page
like smartphones do.
      
	It also allows you to have basics management of photos/videos
	(change dates, copy a group of photos to another directory, delete, share, get GPS data...).
	Clicking on a photo opens it in fullscreen mode. You can continue your navigation in this mode with left and right keys. 
	I use it as an alternative to Shotwell.
	    
    

pwall

CoreImage is a lightweight app based on Qt Framework. This app is a part of C Suite.

CoreImage

A simple lightweight easy to use image viewer

Play with friends online to defend the planet! Longest time to first impact or longest time to 100% damage. You destroy asteroids by flying into them before they hit the planet!
      
        Escape to free mouse lock.
        Use W,A,S,D,Q,E,SPACE &amp; LEFT SHIFT to move around.
        L-CTRL / Right Click to Brake.
        L-ALT / Mouse 3/4 Click to Instant Brake.
        R = Toggle auto-tilt/roll around planet.
        Q+E to stop rolling.
        F = FPS to console.
      
    

AstroImpact

Filmulator accepts raw files from cameras and simulates the
   development of film as if exposed to the same light as the camera's
   sensor.
    

Filmulator

A GUI adaptation of Filmulator, a film emulator with all of the positives and none of the negatives

The CIA glow in the dark you can see 'em if you're driving, you just run them over that's what you do.
      
        Left &amp; Right Click or Arrow Keys
        F = FPS to console.
      
      Dedicated to the smartest programmer that ever lived, Terry A. Davis. (templeos.org)
    

Temple Driver

jdPixelUpscaler upscales images by simply replacing one pixel with several of the same color. For example, if you set the scaling factor to 2, one pixel becomes 2x2 pixels of the same color. No attention is paid to the surrounding pixels or to transitions. For certain graphics (mainly pixel art or similar in very low resolution), this may give better results than other methods.
      Command line arguments and a D-Bus interface are provided for automation.
    

jdPixelUpscaler

You have to defeat the dragon. It takes 24 snowball hits to defeat the dragon. If Tux gets hit just once you have to start all over again! Snowballs will randomly spawn in one of the four grassy patches, Tux can only carry one at a time and cant throw a snowball unless he is standing still. Good luck!
      
        W,A,S,D / Arrow Keys = Move
        Space Bar = Throw Snowball
        C = Change camera view
      
    

Tux VS Dragon

Tsuki-tag is an aggregated anime imageboard browser and collection manager, which lets you browse multiple image sources in a combined view, search images using tags, download images into configured workspaces (folders) with customization and filename templating support, and manage or curate multiple collections of your chosen images.Tsuki-tag can inject EXIF metadata information (tag, image attributes, copyright notice, etc.) into the images during downloading or saving, with an additional option to convert non-JPG images to JPG images which support EXIF metadata. This could provide artists with a great way of creating and organizing a collection of images for reference, or to manage and appropriately annotate their own images with author and copyright information.Features include:Browse an aggregated collection of images retrieved from a number of pre-configured image providers in a paginated view.Fine-tune which providers are queried, along with what type of images should be shown ('safe', 'questionable', 'explicit').Search for images using tags and tag combinations with wildcard support, exclude images from being displayed using another set of tags with wildcard and regular expression support.Hover over images for a quick look at their attributes and information, or select them to keep them available for batch operations.Open images in separate tabs and continue browsing.Multi-selection system with support for batch operations (batch add to / remove from workspaces and online lists, batch update or annotate).Create online lists, which are a local collection of image metadata which can be browsed just as the online providers.Create workspaces, which on top of the features of online lists, lets you download images to configured folders with customizable behavior.Import local files or folders to workspaces, or convert one of your image folders to a workspace.Create metadata groups, which are a collection of information such as author, copyright notice, description and notes, which can be directly injected into the EXIF metadata of the JPG images files during workspace operations.Convert non-JPG images to JPG for EXIF support.Add, edit, or remove image tags before workspace or online list operations.Create tag rules for your online lists or workspaces with wildcard and regular expression support, to automatically process an image across multiple lists.Automatically add or remove tags when an image is added to, or removed from a workspace or online list, with templating support.Specify the file names of files to be downloaded to a workspace, with templating support.Global tag blacklisting with wildcard and regular expression support.Several other features such as opening images in your default image editor, opening or copying the image website URL, re-downloading the image from the original provider, and more.

Tsuki-tag

Anime imageboard browser, aggregator, downloader, tagger, converter, collection manager. Browse and create your own collections, configure workspaces for image downloads with templating support.

Pixyne application has a simple and intuitive interface:- With a click on photo you can mark to drop it in the trash.- In a list view, clicking on a row button opens the corresponding photo.- In advanced mode you may set or correct the EXIF shooting date, crop and ajust photo.- Pixyne automaticaly stores the current state of the folder so you can undo changes at any time. This is useful when working with a large number of photos and when you need to close the application in order to continue working later.- Made changes will not actually be applied until you save.- When you save changes, you can change all file names to EXIF shooting date format.

pixyne

Quickly review photo folders, safely delete bad and similar shots, fix the shooting dates

Xpano is a photo stitching tool that focuses on simplicity and ease of use, major features include:Auto detection of groups of images that can be stitched into panoramasPreview + zoom + pan of the computed panoramasCrop mode, boundary auto fill, selectable projection typesExport of full resolution panoramas including exif metadata

Xpano

The Wick Editor is a hybrid animation tool and coding environment, inspired by similar tools such as HyperCard, and Scratch. It's designed to be the most accessible tool for creating multimedia projects.

Wick Editor

A tool for creating games, animations and everything in-between!

Scan Tailor is an interactive post-processing tool for scanned pages. It performs operations such as page splitting, deskewing, adding/removing borders, and others. You give it raw scans, and you get pages ready to be printed or assembled into a PDF or DJVU file. Scanning, optical character recognition, and assembling multi-page documents are out of scope of this project.Scan Tailor is Free Software (which is more than just freeware). It’s written in C++ with Qt and released under the General Public License version 3. We develop both Windows and GNU/Linux versions.This project started in late 2007 and by mid 2010 it reached production quality. In 2014, the original developer Joseph Artsimovich stepped aside, and Nate Craun took over as the new maintainer.Scan Tailor is being used not just by enthusiasts, but also by libraries and other institutions. A few books processed by Scan Tailor even ended up on Google Books.

Scan Tailor

Interactive post-processing tool for scanned pages

Pineapple Pictures is a lightweight and easy-to-use image viewer that comes with a handy navigation thumbnail when zoom-in, and doesn't contain any image management support.
    

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