The Best Rx Alternatives in 2026

Pinta provides a GTK paint program, with its project source code and releases hosted on GitHub.

PhotoDemon is a free, portable photo editor, with stable and nightly downloads and source code available on GitHub.

Csprite provides a pixel-art editor for Linux and Windows, with repository details covering sprite editing and drawing.

Sprite Fusion Pixel Snapper moves pixel art onto a consistent grid to fix messy or uneven pixels.

This curated pixel art resource list links to tutorials, inspiration, animation guidance, and community resources for creating pixel art.

Pixel Art Fixer converts images into grid-aligned pixel art using image processing without requiring a model.

PyDPainter is a pixel art painting program written in Python, inspired by classic Deluxe Paint software.

Create pixel art and other 2D graphics with PixiEditor, a free and open-source editor.

Perfect Freehand provides drawing tools for creating pressure-sensitive freehand lines.

Pixelorama provides an open-source sprite editor and pixel art tool for creating and editing sprites.

The GIMP Resynthesizer suite adds texture synthesis plugins to the GIMP image editor.

LazPaint offers a cross-platform image editor with raster and vector layers, built with Lazarus and Free Pascal.

mini-img-editor is a WebGL photo editor with effects, filters, and cropping tools.

This non-destructive 2D graphics editor project has ended, according to its maintainer, who says development is no longer active.

RapidRAW is a GPU-accelerated RAW image editor that supports non-destructive editing.

Tiler assembles a composite image from a collection of smaller images used as tiles.

This repository includes waifu2x and tools for converting 2D video into stereo 3D video.

Rembg removes backgrounds from images through a command-line tool and software library.

Tinter generates color variations for images in a small browser-based editing tool.

Linux designers can use Akira, a native Vala and GTK application for UI and UX design.

This Krita plugin adds image generation, inpainting, and outpainting to painting and editing workflows, with optional text prompts.

Real-ESRGAN develops algorithms for general image and video restoration.

Blinkies.cafe provides a web app for making and customizing animated text graphics, alongside a gallery of pre-made blinkies.

Final2x provides image super-resolution on Windows, macOS, and Linux, with options to use built-in or custom models.