FireAlpaca is a free paint app with simple tools and controls that let you draw an illustration quickly.

digiKam is an Open Source (free) app designed to provide professional photo management for everyone.

Blockbench provides you with an Open Source model editor for low-poly and boxy models with pixel art textures.

ImageMagick is an all-in-one freeware graphics software suite for creating, editing, composing, or converting images in Windows, Linux, and Mac.

G'MIC is an open and full-featured framework for image processing in Gimp, Paint.Net, and Krita.

Sparkbooth is a very full-featured photobooth software capable of using webcams or DSLR cameras.

Pinta is a free, Open Source drawing/editing program modeled after Paint.NET. Its goal is to provide users with a simple yet powerful way to draw and manipulate images on Linux, Mac, and Windows.

NPS Image Editor is a lightweight, multi-layer Windows image editing app perfect for pixel art, drawing, and photo editing.

AndreaMosaic is used to create stunning mosaic digital art using any images that you choose.

Krita Studio is an Open Source, powerful, all-in-one painting application geared for professional artists, VFX, and game studios.

Imagine is a free image-animation viewer developed as an alternative to many other free popular viewers such as IrfanView, XnView, or FastStone Image Viewer.

Affinity Photo is an affordable Photoshop competitor with a massive toolset specifically engineered for creative and photography professionals.

PaintOkay is a streamlined and efficient alternative to the traditional MS Paint XP. It prioritizes pixel-editing functionality, allowing you to focus on precise image manipulation without the distraction of nonessential features.

Seamless3d is Open Source 3D modeling software for any type of artist wanting to create 3D animation.

ibis Paint offers a wide range of advanced features designed to enhance your digital art creation experience, making it easier to produce stunning artwork.

DeepSkyStacker is geared toward astrophotographers and provides a simplified option for pre-processing images.

Photo Pos Pro Photo Editor is a free photo editor offers users a wide variety of possibilities in the fields of Image Enhancing and Image Editing.

Chasys Photo (formerly Chasys Draw IES) is a suite of image editing applications, including a layer-based image editor with animation and more.

darktable is an Open Source photography workflow application and raw developer intended to be a virtual light table and darkroom for photographers. Portable version is also available.

Alternate PicView is a user-friendly freeware program designed for viewing and manipulating images.

cPicture is a modern all-in-one software suite to support your digital picture workflow. Very easy and without a database or installation.

Paint.NET is a free image and photo editing software that features an intuitive and innovative user interface.

MeshLab is an Open Source 3D triangular mesh processing utility.

GIMP Portable is the full-featured image and photo editor bundled with a PortableApps.com launcher as a portable app so that you can edit your photos and images on the go. The latest installer is available for download here.

LibreCAD is an Open Source 2D CAD (computer-aided drafting) application that provides an easy-to-use graphics suite for all major operating systems. LibreCAD portable is also available.