GIMP
Open Source
GIMP stands for GNU Image Manipulation Program which is an opensource image editor program supporting almost every popular image formats.
Paint.NET
Free
Paint.Net is a free image editing software available for windows. It was originally developed to prove the power of Microsoft's .Net framework.
Photopea
Free
Photopea is a free online image editor, that runs without plugins. It can both read and save PSD files.
Adobe Photoshop
Commercial
Adobe photoshop is one the best commercial photo editing and design app.
Microsoft Paint
Free
Microsoft Paint (formerly Paintbrush) is a simple computer graphics app that has been included with all versions of Microsoft Windows.
Compare LazPaint with alternatives
Compare Adobe Photoshop and LazPaint and decide which is most suitable for you.
Compare Microsoft Paint and LazPaint and decide which is most suitable for you.