Open Source Pixlr Alternatives

GIMP is a free and open-source raster graphics editor developed by the Free Software Foundation (GNU). The software is a perfect fit for anyone looking for a free and open alternative to Adobe Photoshop. GIMP can be used for photo retouching, image editing and composition. The software is commonly know within the Linux community but is available under the GPLv3+ licenses for macOS and Windows as well.

PhotoPrism is a free and open-source server-based application for browsing, organizing and sharing your personal photo collection. PhotoPrism makes use of the latest technologies to automatically tag and find pictures without getting in your way. With PhotoPrism, you can say goodbye to solutions that force you to upload your visual memories to the cloud with big tech cloud providers.

Glimpse is an open source image editor based on the GNU Image Manipulation Program (GIMP) 2.10.18. The goal of Glimpse is to experiment with new ideas and expand the use of free/libre software. Glimpse brings a new name and logo, a cleaner UI, and fewer "easter eggs" make an already amazing open source software package feel more enterprise-ready.

Fotor is a free web-based photo editor and graphic design software that allows you to work in your browser. The software provides common photo editing tools such as filters, frames, text, stickers and effects. Fotor is used by over 300 milion users, for browser-based design and photo editing tasks.

MyPaint is a free and open-source raster grahics editor use for digital painting. The software is easy to use and works well with graphics tablets such as Wacom and the likes. MyPaint comes with a builtin brush engines that is highly configurable and allows the user to experiment by creating own brushes that can be used to create unique digital paintings.