images

Images viewer, manager, converter or editor, etc.

An image viewer and organizer free for personal and educational use with basic image editing tools.

Gimp GPL@GNOME.org: https://git.gnome.org/browse/gimp

Open source image editor.

Greenshot NO LICENSE@GitHub/BitBucket: http://getgreenshot.org/downloads/

A free and open source program that lets you capture your screen with various methods via a single mouse click.

Honeyview

A very fast image viewer supporting various formats.

IrfanView

Image viewer, editor, organiser and converter. It can also play video and audio files, and has some image creation and painting capabilities.

ImageMagick Apache 2.0@GitHub/GitLab: https://www.imagemagick.org/script/index.php

A multi-functional image processing with command line support.

Inkscape GPL@inkscape.org: https://inkscape.org/en/download/source/

Free vector-based graphic design software.

Ken Burns Slideshow NO LICENSE@GitHub/Sourceforge

available on both GitHub or Sourceforge

Cycle your album like the way in iMac: instant, portable, full-screen slideshow application with the Ken Burns effect.

Krita GPL 3.0@krita.org: https://krita.org/en/download

Free drawing software with a bunch of cool features.

Paint.net

Free image and photo editing.

PicPick

A full-featured screen capture tool, Intuitive image editor, color picker, color palette, pixel-ruler, protractor, crosshair, whiteboard, etc.

qrcode GPL 3.0@GitHub: https://github.com/sylnsfar/qrcode

Artistic QR Code in Python (Animated GIF qr code).

Riot

Compress images either by file size or by many other image attributes.

ShareX GPL 3.0@GitHub: https://github.com/ShareX/ShareX

A free and open source program that lets you capture or record any area of your screen and share it with a single press of a key.

Splashify MIT@GitHub: https://github.com/gilbitron/Splashify

Beautiful desktop wallpapers.

Picturing enlarging noise reduction by AI - CNN(Deep Convolutional Neural Networks) algorithm

XnConvert

Powerful and free cross-platform batch image converter with simple adjustment ability

Xnview

An efficient multimedia viewer, organizer and converter with the most formats support.