Photovisi!

Paint (formerly Paintbrush) is a simple, ultra-basic graphics painting program that is included with almost all versions of Microsoft Windows. It opens and saves files as Windows bitmap (24-bit, 256 color, 16 color, and monochrome, all with the .bmp extension), JPEG, GIF (without animation or transparency), PNG (without alpha channel), and TIFF (without the multiple pages).

From high-precision light and color tools, to advanced clarity and dehaze settings, to the ability to create and save your own filters. Polarr is the ideal photo editor for bloggers, students, and photo professionals alike. Now with the ability to batch export your photos, adding watermark, and using keyboard shortcuts, Polarr Photo Editor is also the most efficient photo editing tool available on Chrome.

Get ready to take your photos where no photo has gone before with Fotor.

ShowFoto is the standalone image editor of the digiKam project.It runs without digiKam images database support, but provides all Image Editor functions.

PixelStyle Photo Editor 3.5.1 for Mac is an all-in-one Photo Editor for Mac with a huge range of high-end filters: lighting, blurs, distortions, tilt-shift, shadows, glows... Available at http://www.effectmatrix.com/mac-appstore/mac-photo-editor-pixelstyle.htm

gnome-paint is a simple, easy to use paint program for GNOME. It is inspired by MS-Paint.

Free photo editor online, you can manipulate your image such as crop, resize, rotate, light adjustment, color adjustment and image filter.

Standalone old MS Paint program that allows you to get your old XP Paint interface in Windows 7.

PhotoCollage is a graphical tool to make photo collage posters. PhotoCollage allows you to create photo collage posters from a list of photographs. Photos are automatically arranged to fill the whole poster. Then the user can change the final layout, dimensions, border or swap photos in the generated grid.

scri.ch is a hackable, open source and minimal drawing tool. Learn more about tips and hacks on http://about.scri.ch/

Home Photo Studio is powerful and easy-to-use photo editing software offering a complete set of image manipulation tools. Thanks to a convenient interface and a detailed help system, the software is simple to learn but provides enough options to keep any photo enthusiast creatively occupied.

Photopainter is both a natural-media painting software and an image processing system at the same time.

PhotoSpills helps you easily create eye-catching collages using your own digital photos. With PhotoSpills, you simply choose the photos you want to use and select the design options. The software beautifully 'spills' your photos onto the canvas and you don't need to spend hours resizing, turning and placing each photo.